8152304081556 has 48 divisors (see below), whose sum is σ = 19486770464448. Its totient is φ = 2651050310400.

The previous prime is 8152304081543. The next prime is 8152304081569. The reversal of 8152304081556 is 6551804032518.

It is an interprime number because it is at equal distance from previous prime (8152304081543) and next prime (8152304081569).

It is a super-2 number, since 2×8152304081556² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12559566 + ... + 13192698.

It is an arithmetic number, because the mean of its divisors is an integer number (405974384676).

Almost surely, 2^{8152304081556} is an apocalyptic number.

It is an amenable number.

8152304081556 is an abundant number, since it is smaller than the sum of its proper divisors (11334466382892).

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

8152304081556 is a wasteful number, since it uses less digits than its factorization.

8152304081556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659352 (or 659350 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 8152304081556 in words is "eight trillion, one hundred fifty-two billion, three hundred four million, eighty-one thousand, five hundred fifty-six".