616063163351970 has 64 divisors (see below), whose sum is σ = 1481667922085760. Its totient is φ = 163937453222400.

The previous prime is 616063163351947. The next prime is 616063163351971. The reversal of 616063163351970 is 79153361360616.

It is a happy number.

It is a super-2 number, since 2×616063163351970² (a number of 30 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 616063163351970.

It is not an unprimeable number, because it can be changed into a prime (616063163351971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42529965 + ... + 55144575.

It is an arithmetic number, because the mean of its divisors is an integer number (23151061282590).

Almost surely, 2^{616063163351970} is an apocalyptic number.

616063163351970 is an abundant number, since it is smaller than the sum of its proper divisors (865604758733790).

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

616063163351970 is a wasteful number, since it uses less digits than its factorization.

616063163351970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618051.

The product of its (nonzero) digits is 11022480, while the sum is 57.

The spelling of 616063163351970 in words is "six hundred sixteen trillion, sixty-three billion, one hundred sixty-three million, three hundred fifty-one thousand, nine hundred seventy".