70115166556 has 24 divisors (see below), whose sum is σ = 133613298000. Its totient is φ = 32067189504.

The previous prime is 70115166553. The next prime is 70115166557. The reversal of 70115166556 is 65566151107.

It is a super-2 number, since 2×70115166556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70115166553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15904141 + ... + 15908548.

It is an arithmetic number, because the mean of its divisors is an integer number (5567220750).

Almost surely, 2^70115166556 is an apocalyptic number.

70115166556 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70115166556 is a deficient number, since it is larger than the sum of its proper divisors (63498131444).

70115166556 is a wasteful number, since it uses less digits than its factorization.

70115166556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31812741 (or 31812739 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 70115166556 in words is "seventy billion, one hundred fifteen million, one hundred sixty-six thousand, five hundred fifty-six".