156785461057472 has 112 divisors (see below), whose sum is σ = 337484665644000. Its totient is φ = 71837528002560.

The previous prime is 156785461057397. The next prime is 156785461057481. The reversal of 156785461057472 is 274750164587651.

156785461057472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2584586822 + ... + 2584647482.

It is an arithmetic number, because the mean of its divisors is an integer number (3013255943250).

Almost surely, 2^{156785461057472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156785461057472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168742332822000).

156785461057472 is an abundant number, since it is smaller than the sum of its proper divisors (180699204586528).

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

156785461057472 is a wasteful number, since it uses less digits than its factorization.

156785461057472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83174 (or 83164 counting only the distinct ones).

The product of its (nonzero) digits is 395136000, while the sum is 68.

The spelling of 156785461057472 in words is "one hundred fifty-six trillion, seven hundred eighty-five billion, four hundred sixty-one million, fifty-seven thousand, four hundred seventy-two".