66570655342 has 16 divisors (see below), whose sum is σ = 100589454000. Its totient is φ = 33040909440.

The previous prime is 66570655309. The next prime is 66570655363. The reversal of 66570655342 is 24355607566.

It is a congruent 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, 2446492 + ... + 2473552.

It is an arithmetic number, because the mean of its divisors is an integer number (6286840875).

Almost surely, 2^66570655342 is an apocalyptic number.

66570655342 is a deficient number, since it is larger than the sum of its proper divisors (34018798658).

66570655342 is a wasteful number, since it uses less digits than its factorization.

66570655342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36051.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 66570655342 in words is "sixty-six billion, five hundred seventy million, six hundred fifty-five thousand, three hundred forty-two".