71816302408938 has 64 divisors (see below), whose sum is σ = 145700694898560. Its totient is φ = 23594545078272.

The previous prime is 71816302408859. The next prime is 71816302408943. The reversal of 71816302408938 is 83980420361817.

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 31 ways as a sum of consecutive naturals, for example, 4436657281 + ... + 4436673467.

It is an arithmetic number, because the mean of its divisors is an integer number (2276573357790).

Almost surely, 2^{71816302408938} is an apocalyptic number.

71816302408938 is an abundant number, since it is smaller than the sum of its proper divisors (73884392489622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71816302408938 is a wasteful number, since it uses less digits than its factorization.

71816302408938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22631.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 71816302408938 in words is "seventy-one trillion, eight hundred sixteen billion, three hundred two million, four hundred eight thousand, nine hundred thirty-eight".