166162531850 has 96 divisors (see below), whose sum is σ = 358473413376. Its totient is φ = 56123020800.

The previous prime is 166162531849. The next prime is 166162531889. The reversal of 166162531850 is 58135261661.

166162531850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51015422 + ... + 51018678.

It is an arithmetic number, because the mean of its divisors is an integer number (3734098056).

Almost surely, 2^166162531850 is an apocalyptic number.

166162531850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166162531850 is an abundant number, since it is smaller than the sum of its proper divisors (192310881526).

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

166162531850 is a wasteful number, since it uses less digits than its factorization.

166162531850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 166162531850 in words is "one hundred sixty-six billion, one hundred sixty-two million, five hundred thirty-one thousand, eight hundred fifty".