1634545572 has 48 divisors (see below), whose sum is σ = 4169841984. Its totient is φ = 494224000.

The previous prime is 1634545567. The next prime is 1634545607. The reversal of 1634545572 is 2755454361.

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, 47422 + ... + 74282.

It is an arithmetic number, because the mean of its divisors is an integer number (86871708).

Almost surely, 2^1634545572 is an apocalyptic number.

1634545572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1634545572 is an abundant number, since it is smaller than the sum of its proper divisors (2535296412).

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

1634545572 is a wasteful number, since it uses less digits than its factorization.

1634545572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27340 (or 27338 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 1634545572 is about 40429.5136255681. The cubic root of 1634545572 is about 1177.9648852915.

The spelling of 1634545572 in words is "one billion, six hundred thirty-four million, five hundred forty-five thousand, five hundred seventy-two".