16612532667 has 24 divisors (see below), whose sum is σ = 25621499904. Its totient is φ = 10347133104.

The previous prime is 16612532609. The next prime is 16612532687. The reversal of 16612532667 is 76623521661.

16612532667 is a `hidden beast` number, since 1 + 6 + 612 + 5 + 3 + 26 + 6 + 7 = 666.

It is not a de Polignac number, because 16612532667 - 2⁶ = 16612532603 is a prime.

It is a super-2 number, since 2×16612532667² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16612532687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924283 + ... + 942084.

It is an arithmetic number, because the mean of its divisors is an integer number (1067562496).

Almost surely, 2^16612532667 is an apocalyptic number.

16612532667 is a deficient number, since it is larger than the sum of its proper divisors (9008967237).

16612532667 is a wasteful number, since it uses less digits than its factorization.

16612532667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866439 (or 1866436 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 16612532667 in words is "sixteen billion, six hundred twelve million, five hundred thirty-two thousand, six hundred sixty-seven".