166152601251616 has 48 divisors (see below), whose sum is σ = 373868485885440. Its totient is φ = 71203470428160.

The previous prime is 166152601251613. The next prime is 166152601251619. The reversal of 166152601251616 is 616152106251661.

166152601251616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166152601251613) and next prime (166152601251619).

It is a super-2 number, since 2×166152601251616² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166152601251616.

It is not an unprimeable number, because it can be changed into a prime (166152601251613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21593265 + ... + 28259056.

It is an arithmetic number, because the mean of its divisors is an integer number (7788926789280).

Almost surely, 2^{166152601251616} is an apocalyptic number.

166152601251616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166152601251616 is an abundant number, since it is smaller than the sum of its proper divisors (207715884633824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166152601251616 is a wasteful number, since it uses less digits than its factorization.

166152601251616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49867217 (or 49867209 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 166152601251616 in words is "one hundred sixty-six trillion, one hundred fifty-two billion, six hundred one million, two hundred fifty-one thousand, six hundred sixteen".