616649060160 has 280 divisors, whose sum is σ = 2506891242240. Its totient is φ = 140948315136.

The previous prime is 616649060119. The next prime is 616649060161. The reversal of 616649060160 is 61060946616.

616649060160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (280).

It is a super-2 number, since 2×616649060160² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616649060161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1517880 + ... + 1880759.

It is an arithmetic number, because the mean of its divisors is an integer number (8953183008).

Almost surely, 2^616649060160 is an apocalyptic number.

616649060160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616649060160 is an abundant number, since it is smaller than the sum of its proper divisors (1890242182080).

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

616649060160 is a wasteful number, since it uses less digits than its factorization.

616649060160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398675 (or 3398656 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 616649060160 in words is "six hundred sixteen billion, six hundred forty-nine million, sixty thousand, one hundred sixty".