156206410349 has 12 divisors (see below), whose sum is σ = 171712786140. Its totient is φ = 141993561600.

The previous prime is 156206410277. The next prime is 156206410379. The reversal of 156206410349 is 943014602651.

It can be written as a sum of positive squares in 2 ways, for example, as 9147966025 + 147058444324 = 95645^2 + 383482^2 .

It is not a de Polignac number, because 156206410349 - 2²⁰ = 156205361773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156206410379) 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, 1538447 + ... + 1636835.

It is an arithmetic number, because the mean of its divisors is an integer number (14309398845).

Almost surely, 2^156206410349 is an apocalyptic number.

It is an amenable number.

156206410349 is a deficient number, since it is larger than the sum of its proper divisors (15506375791).

156206410349 is a wasteful number, since it uses less digits than its factorization.

156206410349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111532 (or 111521 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 156206410349 in words is "one hundred fifty-six billion, two hundred six million, four hundred ten thousand, three hundred forty-nine".