1646496552 has 32 divisors (see below), whose sum is σ = 4249025280. Its totient is φ = 531127680.

The previous prime is 1646496517. The next prime is 1646496613. The reversal of 1646496552 is 2556946461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105773 + ... + 1107260.

It is an arithmetic number, because the mean of its divisors is an integer number (132782040).

Almost surely, 2^1646496552 is an apocalyptic number.

1646496552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1646496552 is an abundant number, since it is smaller than the sum of its proper divisors (2602528728).

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

1646496552 is a wasteful number, since it uses less digits than its factorization.

1646496552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213073 (or 2213069 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 1646496552 is about 40577.0446434927. The cubic root of 1646496552 is about 1180.8288134856.

The spelling of 1646496552 in words is "one billion, six hundred forty-six million, four hundred ninety-six thousand, five hundred fifty-two".