93644188187912 has 16 divisors (see below), whose sum is σ = 175583026738860. Its totient is φ = 46822047724224.

The previous prime is 93644188187861. The next prime is 93644188187939. The reversal of 93644188187912 is 21978188144639.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64596680286436 + 29047507901476 = 8037206^2 + 5389574^2 .

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702338 + ... + 14177294.

Almost surely, 2^{93644188187912} is an apocalyptic number.

It is an amenable number.

93644188187912 is a deficient number, since it is larger than the sum of its proper divisors (81938838550948).

93644188187912 is a wasteful number, since it uses less digits than its factorization.

93644188187912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592440 (or 11592436 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 71.

The spelling of 93644188187912 in words is "ninety-three trillion, six hundred forty-four billion, one hundred eighty-eight million, one hundred eighty-seven thousand, nine hundred twelve".