71072207215516 has 48 divisors (see below), whose sum is σ = 140073255411264. Its totient is φ = 31307701556736.

The previous prime is 71072207215501. The next prime is 71072207215547. The reversal of 71072207215516 is 61551270227017.

It is a super-2 number, since 2×71072207215516² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64469755 + ... + 65562898.

It is an arithmetic number, because the mean of its divisors is an integer number (2918192821068).

Almost surely, 2^{71072207215516} is an apocalyptic number.

It is an amenable number.

71072207215516 is a deficient number, since it is larger than the sum of its proper divisors (69001048195748).

71072207215516 is a wasteful number, since it uses less digits than its factorization.

71072207215516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130033150 (or 130033148 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 71072207215516 in words is "seventy-one trillion, seventy-two billion, two hundred seven million, two hundred fifteen thousand, five hundred sixteen".