61070672816 has 20 divisors (see below), whose sum is σ = 119371550952. Its totient is φ = 30265111296.

The previous prime is 61070672809. The next prime is 61070672821. The reversal of 61070672816 is 61827607016.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16887206 + ... + 16890821.

Almost surely, 2^61070672816 is an apocalyptic number.

It is an amenable number.

61070672816 is a deficient number, since it is larger than the sum of its proper divisors (58300878136).

61070672816 is a wasteful number, since it uses less digits than its factorization.

61070672816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33778148 (or 33778142 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 61070672816 in words is "sixty-one billion, seventy million, six hundred seventy-two thousand, eight hundred sixteen".