532897166640 has 80 divisors (see below), whose sum is σ = 1654023823200. Its totient is φ = 141930203136.

The previous prime is 532897166617. The next prime is 532897166677. The reversal of 532897166640 is 46661798235.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1178155 + ... + 1566474.

It is an arithmetic number, because the mean of its divisors is an integer number (20675297790).

It is a 2-persistent number, because it is pandigital, and so is 2⋅532897166640 = 1065794333280, but 3⋅532897166640 = 1598691499920 is not.

Almost surely, 2^532897166640 is an apocalyptic number.

It is an amenable number.

532897166640 is an abundant number, since it is smaller than the sum of its proper divisors (1121126656560).

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

532897166640 is a wasteful number, since it uses less digits than its factorization.

532897166640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745454 (or 2745448 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 532897166640 in words is "five hundred thirty-two billion, eight hundred ninety-seven million, one hundred sixty-six thousand, six hundred forty".