1589542978660 has 96 divisors (see below), whose sum is σ = 4126781417472. Its totient is φ = 500808130560.

The previous prime is 1589542978651. The next prime is 1589542978691. The reversal of 1589542978660 is 668792459851.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 1589542978660.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1552381 + ... + 2364100.

It is an arithmetic number, because the mean of its divisors is an integer number (42987306432).

Almost surely, 2^{1589542978660} is an apocalyptic number.

1589542978660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1589542978660 is an abundant number, since it is smaller than the sum of its proper divisors (2537238438812).

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

1589542978660 is a wasteful number, since it uses less digits than its factorization.

1589542978660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916733 (or 3916731 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 1589542978660 in words is "one trillion, five hundred eighty-nine billion, five hundred forty-two million, nine hundred seventy-eight thousand, six hundred sixty".