16464397007 has 8 divisors (see below), whose sum is σ = 16677091200. Its totient is φ = 16252044120.

The previous prime is 16464396973. The next prime is 16464397051. The reversal of 16464397007 is 70079346461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16464397007 - 2¹² = 16464392911 is a prime.

It is a super-2 number, since 2×16464397007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464397067) 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, 12494 + ... + 181892.

It is an arithmetic number, because the mean of its divisors is an integer number (2084636400).

Almost surely, 2^16464397007 is an apocalyptic number.

16464397007 is a deficient number, since it is larger than the sum of its proper divisors (212694193).

16464397007 is a wasteful number, since it uses less digits than its factorization.

16464397007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170653.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 16464397007 in words is "sixteen billion, four hundred sixty-four million, three hundred ninety-seven thousand, seven".