66031189497304 has 96 divisors (see below), whose sum is σ = 131358167661600. Its totient is φ = 31112715110400.

The previous prime is 66031189497269. The next prime is 66031189497353. The reversal of 66031189497304 is 40379498113066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3805604229 + ... + 3805621579.

It is an arithmetic number, because the mean of its divisors is an integer number (1368314246475).

Almost surely, 2^{66031189497304} is an apocalyptic number.

It is an amenable number.

66031189497304 is a deficient number, since it is larger than the sum of its proper divisors (65326978164296).

66031189497304 is a wasteful number, since it uses less digits than its factorization.

66031189497304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24281 (or 24258 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 66031189497304 in words is "sixty-six trillion, thirty-one billion, one hundred eighty-nine million, four hundred ninety-seven thousand, three hundred four".