156545405664 has 192 divisors, whose sum is σ = 428441674752. Its totient is φ = 50013849600.

The previous prime is 156545405659. The next prime is 156545405669. The reversal of 156545405664 is 466504545651.

It is an interprime number because it is at equal distance from previous prime (156545405659) and next prime (156545405669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156545405669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54715594 + ... + 54718454.

It is an arithmetic number, because the mean of its divisors is an integer number (2231467056).

Almost surely, 2^156545405664 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 156545405664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214220837376).

156545405664 is an abundant number, since it is smaller than the sum of its proper divisors (271896269088).

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

156545405664 is a wasteful number, since it uses less digits than its factorization.

156545405664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 156545405664 in words is "one hundred fifty-six billion, five hundred forty-five million, four hundred five thousand, six hundred sixty-four".