16156233077 has 4 divisors (see below), whose sum is σ = 16162270956. Its totient is φ = 16150195200.

The previous prime is 16156233061. The next prime is 16156233089. The reversal of 16156233077 is 77033265161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5769769681 + 10386463396 = 75959^2 + 101914^2 .

It is a cyclic number.

It is not a de Polignac number, because 16156233077 - 2⁴ = 16156233061 is a prime.

It is a super-2 number, since 2×16156233077² (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 (16156233097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014924 + ... + 3020277.

It is an arithmetic number, because the mean of its divisors is an integer number (4040567739).

Almost surely, 2^16156233077 is an apocalyptic number.

It is an amenable number.

16156233077 is a deficient number, since it is larger than the sum of its proper divisors (6037879).

16156233077 is an equidigital number, since it uses as much as digits as its factorization.

16156233077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037878.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 16156233077 in words is "sixteen billion, one hundred fifty-six million, two hundred thirty-three thousand, seventy-seven".