214156772516 has 12 divisors (see below), whose sum is σ = 374787018060. Its totient is φ = 107074767360.

The previous prime is 214156772471. The next prime is 214156772527. The reversal of 214156772516 is 615277651412.

It can be written as a sum of positive squares in 2 ways, for example, as 52308264100 + 161848508416 = 228710^2 + 402304^2 .

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, 769325 + ... + 1010036.

It is an arithmetic number, because the mean of its divisors is an integer number (31232251505).

Almost surely, 2^214156772516 is an apocalyptic number.

It is an amenable number.

214156772516 is a deficient number, since it is larger than the sum of its proper divisors (160630245544).

214156772516 is a wasteful number, since it uses less digits than its factorization.

214156772516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809454 (or 1809452 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The spelling of 214156772516 in words is "two hundred fourteen billion, one hundred fifty-six million, seven hundred seventy-two thousand, five hundred sixteen".