16151111601 has 4 divisors (see below), whose sum is σ = 21534815472. Its totient is φ = 10767407732.

The previous prime is 16151111567. The next prime is 16151111617. The reversal of 16151111601 is 10611115161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10611115161 = 3 ⋅3537038387.

It is a cyclic number.

It is not a de Polignac number, because 16151111601 - 2¹⁸ = 16150849457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16151611601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2691851931 + ... + 2691851936.

It is an arithmetic number, because the mean of its divisors is an integer number (5383703868).

Almost surely, 2^16151111601 is an apocalyptic number.

It is an amenable number.

16151111601 is a deficient number, since it is larger than the sum of its proper divisors (5383703871).

16151111601 is an equidigital number, since it uses as much as digits as its factorization.

16151111601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383703870.

The product of its (nonzero) digits is 180, while the sum is 24.

Adding to 16151111601 its reverse (10611115161), we get a palindrome (26762226762).

The spelling of 16151111601 in words is "sixteen billion, one hundred fifty-one million, one hundred eleven thousand, six hundred one".