156016801 has 2 divisors, whose sum is σ = 156016802. Its totient is φ = 156016800.

The previous prime is 156016799. The next prime is 156016813. The reversal of 156016801 is 108610651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 60466176 = 9775^2 + 7776^2 .

It is a cyclic number.

It is not a de Polignac number, because 156016801 - 2¹ = 156016799 is a prime.

Together with 156016799, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 156016801.

It is not a weakly prime, because it can be changed into another prime (156013801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78008400 + 78008401.

It is an arithmetic number, because the mean of its divisors is an integer number (78008401).

Almost surely, 2^156016801 is an apocalyptic number.

It is an amenable number.

156016801 is a deficient number, since it is larger than the sum of its proper divisors (1).

156016801 is an equidigital number, since it uses as much as digits as its factorization.

156016801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 156016801 is about 12490.6685569668. The cubic root of 156016801 is about 538.3405860182.

The spelling of 156016801 in words is "one hundred fifty-six million, sixteen thousand, eight hundred one".