16766552464 has 80 divisors (see below), whose sum is σ = 35566848576. Its totient is φ = 7625216000.

The previous prime is 16766552459. The next prime is 16766552477. The reversal of 16766552464 is 46425566761.

It is a happy number.

It is a super-2 number, since 2×16766552464² (a number of 21 digits) contains 22 as substring.

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, 1186239 + ... + 1200289.

Almost surely, 2^16766552464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16766552464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17783424288).

16766552464 is an abundant number, since it is smaller than the sum of its proper divisors (18800296112).

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

16766552464 is a wasteful number, since it uses less digits than its factorization.

16766552464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14224 (or 14218 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 16766552464 in words is "sixteen billion, seven hundred sixty-six million, five hundred fifty-two thousand, four hundred sixty-four".