662078815070 has 32 divisors (see below), whose sum is σ = 1199020216320. Its totient is φ = 263215648800.

The previous prime is 662078815063. The next prime is 662078815133. The reversal of 662078815070 is 70518870266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397499 + ... + 3587081.

It is an arithmetic number, because the mean of its divisors is an integer number (37469381760).

Almost surely, 2^662078815070 is an apocalyptic number.

662078815070 is a deficient number, since it is larger than the sum of its proper divisors (536941401250).

662078815070 is a wasteful number, since it uses less digits than its factorization.

662078815070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191720.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 662078815070 in words is "six hundred sixty-two billion, seventy-eight million, eight hundred fifteen thousand, seventy".