70161839660 has 24 divisors (see below), whose sum is σ = 160734396816. Its totient is φ = 25513396160.

The previous prime is 70161839659. The next prime is 70161839677. The reversal of 70161839660 is 6693816107.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159458507 + ... + 159458946.

It is an arithmetic number, because the mean of its divisors is an integer number (6697266534).

Almost surely, 2^70161839660 is an apocalyptic number.

It is an amenable number.

70161839660 is an abundant number, since it is smaller than the sum of its proper divisors (90572557156).

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

70161839660 is a wasteful number, since it uses less digits than its factorization.

70161839660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318917473 (or 318917471 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 70161839660 in words is "seventy billion, one hundred sixty-one million, eight hundred thirty-nine thousand, six hundred sixty".