1651616506160 has 20 divisors (see below), whose sum is σ = 3840008377008. Its totient is φ = 660646602432.

The previous prime is 1651616506157. The next prime is 1651616506171. The reversal of 1651616506160 is 616056161561.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10322603084 + ... + 10322603243.

Almost surely, 2^{1651616506160} is an apocalyptic number.

1651616506160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1651616506160 is an abundant number, since it is smaller than the sum of its proper divisors (2188391870848).

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

1651616506160 is a wasteful number, since it uses less digits than its factorization.

1651616506160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20645206340 (or 20645206334 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 1651616506160 in words is "one trillion, six hundred fifty-one billion, six hundred sixteen million, five hundred six thousand, one hundred sixty".