156717549464 has 96 divisors (see below), whose sum is σ = 344434109760. Its totient is φ = 66652185600.

The previous prime is 156717549449. The next prime is 156717549467. The reversal of 156717549464 is 464945717651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156717549467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83760449 + ... + 83762319.

It is an arithmetic number, because the mean of its divisors is an integer number (3587855310).

Almost surely, 2^156717549464 is an apocalyptic number.

156717549464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156717549464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172217054880).

156717549464 is an abundant number, since it is smaller than the sum of its proper divisors (187716560296).

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

156717549464 is a wasteful number, since it uses less digits than its factorization.

156717549464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3398 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 156717549464 in words is "one hundred fifty-six billion, seven hundred seventeen million, five hundred forty-nine thousand, four hundred sixty-four".