215616116076 has 24 divisors (see below), whose sum is σ = 504250306560. Its totient is φ = 71708319312.

The previous prime is 215616116069. The next prime is 215616116077. The reversal of 215616116076 is 670611616512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (215616116077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20459436 + ... + 20469971.

It is an arithmetic number, because the mean of its divisors is an integer number (21010429440).

Almost surely, 2^215616116076 is an apocalyptic number.

It is an amenable number.

215616116076 is an abundant number, since it is smaller than the sum of its proper divisors (288634190484).

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

215616116076 is a wasteful number, since it uses less digits than its factorization.

215616116076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40929853 (or 40929851 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 215616116076 in words is "two hundred fifteen billion, six hundred sixteen million, one hundred sixteen thousand, seventy-six".