71839099016 has 16 divisors (see below), whose sum is σ = 136595471040. Its totient is φ = 35413640080.

The previous prime is 71839098977. The next prime is 71839099061. The reversal of 71839099016 is 61099093817.

It is a super-2 number, since 2×71839099016² (a number of 23 digits) contains 22 as substring.

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, 63238076 + ... + 63239211.

It is an arithmetic number, because the mean of its divisors is an integer number (8537216940).

Almost surely, 2^71839099016 is an apocalyptic number.

It is an amenable number.

71839099016 is a deficient number, since it is larger than the sum of its proper divisors (64756372024).

71839099016 is a wasteful number, since it uses less digits than its factorization.

71839099016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126477364 (or 126477360 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 71839099016 in words is "seventy-one billion, eight hundred thirty-nine million, ninety-nine thousand, sixteen".