66141179402 has 16 divisors (see below), whose sum is σ = 99446572800. Its totient is φ = 32992374960.

The previous prime is 66141179359. The next prime is 66141179431. The reversal of 66141179402 is 20497114166.

It is a super-2 number, since 2×66141179402² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66141179402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829599 + ... + 2852877.

It is an arithmetic number, because the mean of its divisors is an integer number (6215410800).

Almost surely, 2^66141179402 is an apocalyptic number.

66141179402 is a deficient number, since it is larger than the sum of its proper divisors (33305393398).

66141179402 is a wasteful number, since it uses less digits than its factorization.

66141179402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26581.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 66141179402 in words is "sixty-six billion, one hundred forty-one million, one hundred seventy-nine thousand, four hundred two".