1660572245400 has 96 divisors (see below), whose sum is σ = 5244901871760. Its totient is φ = 434464176640.

The previous prime is 1660572245359. The next prime is 1660572245407. The reversal of 1660572245400 is 45422750661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660572245407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26077827 + ... + 26141426.

Almost surely, 2^{1660572245400} is an apocalyptic number.

1660572245400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660572245400 is an abundant number, since it is smaller than the sum of its proper divisors (3584329626360).

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

1660572245400 is a wasteful number, since it uses less digits than its factorization.

1660572245400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52219325 (or 52219316 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 1660572245400 in words is "one trillion, six hundred sixty billion, five hundred seventy-two million, two hundred forty-five thousand, four hundred".