156850849936 has 45 divisors (see below), whose sum is σ = 334074333369. Its totient is φ = 71287920000.

The previous prime is 156850849921. The next prime is 156850849937. The reversal of 156850849936 is 639948058651.

The square root of 156850849936 is 396044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27941128336 + 128909721600 = 167156^2 + 359040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156850849937) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17421436 + ... + 17430436.

Almost surely, 2^156850849936 is an apocalyptic number.

156850849936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

156850849936 is the 396044-th square number.

It is an amenable number.

156850849936 is an abundant number, since it is smaller than the sum of its proper divisors (177223483433).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156850849936 is an frugal number, since it uses more digits than its factorization.

156850849936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032 (or 9014 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 64.

Multiplying 156850849936 by its sum of digits (64), we get a square (10038454395904 = 3168352²).

The spelling of 156850849936 in words is "one hundred fifty-six billion, eight hundred fifty million, eight hundred forty-nine thousand, nine hundred thirty-six".