216551510150667 has 32 divisors (see below), whose sum is σ = 306100834099200. Its totient is φ = 135889665822240.

The previous prime is 216551510150639. The next prime is 216551510150681. The reversal of 216551510150667 is 766051015155612.

It is not a de Polignac number, because 216551510150667 - 2¹² = 216551510146571 is a prime.

It is a super-4 number, since 4×216551510150667⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (216551510150467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19631667 + ... + 28609532.

It is an arithmetic number, because the mean of its divisors is an integer number (9565651065600).

Almost surely, 2^{216551510150667} is an apocalyptic number.

216551510150667 is a deficient number, since it is larger than the sum of its proper divisors (89549323948533).

216551510150667 is a wasteful number, since it uses less digits than its factorization.

216551510150667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48242263.

The product of its (nonzero) digits is 1890000, while the sum is 51.

The spelling of 216551510150667 in words is "two hundred sixteen trillion, five hundred fifty-one billion, five hundred ten million, one hundred fifty thousand, six hundred sixty-seven".