66652190958 has 32 divisors (see below), whose sum is σ = 140663174400. Its totient is φ = 21012639296.

The previous prime is 66652190923. The next prime is 66652190999. The reversal of 66652190958 is 85909125666.

It is a junction number, because it is equal to n+sod(n) for n = 66652190898 and 66652190907.

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, 2701128 + ... + 2725691.

It is an arithmetic number, because the mean of its divisors is an integer number (4395724200).

Almost surely, 2^66652190958 is an apocalyptic number.

66652190958 is an abundant number, since it is smaller than the sum of its proper divisors (74010983442).

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

66652190958 is a wasteful number, since it uses less digits than its factorization.

66652190958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426936.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 66652190958 in words is "sixty-six billion, six hundred fifty-two million, one hundred ninety thousand, nine hundred fifty-eight".