70570567211661 has 128 divisors (see below), whose sum is σ = 115329210900480. Its totient is φ = 42294592454400.

The previous prime is 70570567211653. The next prime is 70570567211663. The reversal of 70570567211661 is 16611276507507.

70570567211661 is a `hidden beast` number, since 7 + 0 + 5 + 7 + 0 + 567 + 2 + 1 + 16 + 61 = 666.

70570567211661 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 70570567211661 - 2³ = 70570567211653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70570567211598 and 70570567211607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70570567211663) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14190740971 + ... + 14190745943.

It is an arithmetic number, because the mean of its divisors is an integer number (901009460160).

Almost surely, 2^{70570567211661} is an apocalyptic number.

It is an amenable number.

70570567211661 is a deficient number, since it is larger than the sum of its proper divisors (44758643688819).

70570567211661 is a wasteful number, since it uses less digits than its factorization.

70570567211661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544 (or 6538 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 70570567211661 in words is "seventy trillion, five hundred seventy billion, five hundred sixty-seven million, two hundred eleven thousand, six hundred sixty-one".