1651295632 has 80 divisors (see below), whose sum is σ = 3762457600. Its totient is φ = 687367296.

The previous prime is 1651295627. The next prime is 1651295687. The reversal of 1651295632 is 2365921561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957523 + ... + 959245.

It is an arithmetic number, because the mean of its divisors is an integer number (47030720).

Almost surely, 2^1651295632 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 1651295632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881228800).

1651295632 is an abundant number, since it is smaller than the sum of its proper divisors (2111161968).

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

1651295632 is a wasteful number, since it uses less digits than its factorization.

1651295632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1974 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 1651295632 is about 40636.1370211294. The cubic root of 1651295632 is about 1181.9749632763.

The spelling of 1651295632 in words is "one billion, six hundred fifty-one million, two hundred ninety-five thousand, six hundred thirty-two".