7661056158 has 96 divisors (see below), whose sum is σ = 20163187200. Its totient is φ = 2053470528.

The previous prime is 7661056147. The next prime is 7661056163. The reversal of 7661056158 is 8516501667.

7661056158 is a `hidden beast` number, since 76 + 6 + 10 + 561 + 5 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 231048 + ... + 262116.

It is an arithmetic number, because the mean of its divisors is an integer number (210033200).

Almost surely, 2^7661056158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7661056158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10081593600).

7661056158 is an abundant number, since it is smaller than the sum of its proper divisors (12502131042).

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

7661056158 is a wasteful number, since it uses less digits than its factorization.

7661056158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31206 (or 31203 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 7661056158 is about 87527.4594513059. The cubic root of 7661056158 is about 1971.3461178630.

The spelling of 7661056158 in words is "seven billion, six hundred sixty-one million, fifty-six thousand, one hundred fifty-eight".