75391659916 has 24 divisors (see below), whose sum is σ = 134409348864. Its totient is φ = 36995005200.

The previous prime is 75391659887. The next prime is 75391659953. The reversal of 75391659916 is 61995619357.

It is a super-2 number, since 2×75391659916² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701800 + ... + 802063.

It is an arithmetic number, because the mean of its divisors is an integer number (5600389536).

Almost surely, 2^75391659916 is an apocalyptic number.

It is an amenable number.

75391659916 is a deficient number, since it is larger than the sum of its proper divisors (59017688948).

75391659916 is a wasteful number, since it uses less digits than its factorization.

75391659916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504101 (or 1504099 counting only the distinct ones).

The product of its digits is 13778100, while the sum is 61.

The spelling of 75391659916 in words is "seventy-five billion, three hundred ninety-one million, six hundred fifty-nine thousand, nine hundred sixteen".