1600651612 has 24 divisors (see below), whose sum is σ = 3226517504. Its totient is φ = 680590512.

The previous prime is 1600651583. The next prime is 1600651631. The reversal of 1600651612 is 2161560061.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 221508 + ... + 228619.

Almost surely, 2^1600651612 is an apocalyptic number.

It is an amenable number.

1600651612 is an abundant number, since it is smaller than the sum of its proper divisors (1625865892).

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

1600651612 is a wasteful number, since it uses less digits than its factorization.

1600651612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450265 (or 450263 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1600651612 is about 40008.1443208755. The cubic root of 1600651612 is about 1169.7658508228.

The spelling of 1600651612 in words is "one billion, six hundred million, six hundred fifty-one thousand, six hundred twelve".