156466577467420 has 48 divisors (see below), whose sum is σ = 358479130248288. Its totient is φ = 56892425276160.

The previous prime is 156466577467351. The next prime is 156466577467427. The reversal of 156466577467420 is 24764775664651.

It is a super-2 number, since 2×156466577467420² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 156466577467420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156466577467427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25418739 + ... + 30968458.

It is an arithmetic number, because the mean of its divisors is an integer number (7468315213506).

Almost surely, 2^{156466577467420} is an apocalyptic number.

156466577467420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156466577467420 is an abundant number, since it is smaller than the sum of its proper divisors (202012552780868).

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

156466577467420 is a wasteful number, since it uses less digits than its factorization.

156466577467420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56399830 (or 56399828 counting only the distinct ones).

The product of its (nonzero) digits is 1422489600, while the sum is 70.

The spelling of 156466577467420 in words is "one hundred fifty-six trillion, four hundred sixty-six billion, five hundred seventy-seven million, four hundred sixty-seven thousand, four hundred twenty".