1651485264 has 160 divisors (see below), whose sum is σ = 5307410304. Its totient is φ = 434749440.

The previous prime is 1651485229. The next prime is 1651485293. The reversal of 1651485264 is 4625841561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109612 + ... + 123764.

Almost surely, 2^1651485264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1651485264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2653705152).

1651485264 is an abundant number, since it is smaller than the sum of its proper divisors (3655925040).

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

1651485264 is a wasteful number, since it uses less digits than its factorization.

1651485264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205 (or 14199 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 1651485264 is about 40638.4702467994. The cubic root of 1651485264 is about 1182.0202068803.

The spelling of 1651485264 in words is "one billion, six hundred fifty-one million, four hundred eighty-five thousand, two hundred sixty-four".