156652256609 has 12 divisors (see below), whose sum is σ = 165350874276. Its totient is φ = 148389608448.

The previous prime is 156652256597. The next prime is 156652256633. The reversal of 156652256609 is 906652256651.

It can be written as a sum of positive squares in 2 ways, for example, as 64097580625 + 92554675984 = 253175^2 + 304228^2 .

It is not a de Polignac number, because 156652256609 - 2¹² = 156652252513 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (156652256209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3745517 + ... + 3787109.

It is an arithmetic number, because the mean of its divisors is an integer number (13779239523).

Almost surely, 2^156652256609 is an apocalyptic number.

156652256609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

156652256609 is a deficient number, since it is larger than the sum of its proper divisors (8698617667).

156652256609 is a wasteful number, since it uses less digits than its factorization.

156652256609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52064 (or 52045 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 156652256609 in words is "one hundred fifty-six billion, six hundred fifty-two million, two hundred fifty-six thousand, six hundred nine".