16064312616 has 48 divisors (see below), whose sum is σ = 47462744160. Its totient is φ = 4867973280.

The previous prime is 16064312609. The next prime is 16064312617. The reversal of 16064312616 is 61621346061.

It is a happy number.

16064312616 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 4 + 31 + 2 + 616 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16064312617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10140820 + ... + 10142403.

It is an arithmetic number, because the mean of its divisors is an integer number (988807170).

Almost surely, 2^16064312616 is an apocalyptic number.

It is an amenable number.

16064312616 is an abundant number, since it is smaller than the sum of its proper divisors (31398431544).

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

16064312616 is a wasteful number, since it uses less digits than its factorization.

16064312616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20283246 (or 20283239 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 16064312616 its reverse (61621346061), we get a palindrome (77685658677).

The spelling of 16064312616 in words is "sixteen billion, sixty-four million, three hundred twelve thousand, six hundred sixteen".