70660016 has 20 divisors (see below), whose sum is σ = 156461712. Its totient is φ = 30282816.

The previous prime is 70659989. The next prime is 70660019. The reversal of 70660016 is 61006607.

It is a super-2 number, since 2×70660016² = 9985675722240512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70660019) by changing a digit.

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, 315335 + ... + 315558.

Almost surely, 2^70660016 is an apocalyptic number.

It is an amenable number.

70660016 is an abundant number, since it is smaller than the sum of its proper divisors (85801696).

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

70660016 is a wasteful number, since it uses less digits than its factorization.

70660016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630908 (or 630902 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 70660016 is about 8405.9512251737. The cubic root of 70660016 is about 413.4197726492.

The spelling of 70660016 in words is "seventy million, six hundred sixty thousand, sixteen".