66160014634198 has 64 divisors (see below), whose sum is σ = 105542890979328. Its totient is φ = 31056845506560.

The previous prime is 66160014634183. The next prime is 66160014634261. The reversal of 66160014634198 is 89143641006166.

It is a super-2 number, since 2×66160014634198² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155573011 + ... + 155997697.

It is an arithmetic number, because the mean of its divisors is an integer number (1649107671552).

Almost surely, 2^{66160014634198} is an apocalyptic number.

66160014634198 is a deficient number, since it is larger than the sum of its proper divisors (39382876345130).

66160014634198 is a wasteful number, since it uses less digits than its factorization.

66160014634198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425237.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 66160014634198 in words is "sixty-six trillion, one hundred sixty billion, fourteen million, six hundred thirty-four thousand, one hundred ninety-eight".