16357668707 has 4 divisors (see below), whose sum is σ = 16486469376. Its totient is φ = 16228868040.

The previous prime is 16357668659. The next prime is 16357668721. The reversal of 16357668707 is 70786675361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70786675361 = 61 ⋅1160437301.

It is a cyclic number.

It is not a de Polignac number, because 16357668707 - 2¹⁸ = 16357406563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16357668737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64400144 + ... + 64400397.

It is an arithmetic number, because the mean of its divisors is an integer number (4121617344).

Almost surely, 2^16357668707 is an apocalyptic number.

16357668707 is a deficient number, since it is larger than the sum of its proper divisors (128800669).

16357668707 is a wasteful number, since it uses less digits than its factorization.

16357668707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128800668.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 16357668707 in words is "sixteen billion, three hundred fifty-seven million, six hundred sixty-eight thousand, seven hundred seven".