651396160 has 56 divisors (see below), whose sum is σ = 1555065216. Its totient is φ = 259898880.

The previous prime is 651396131. The next prime is 651396217. The reversal of 651396160 is 61693156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135559 + ... + 140281.

Almost surely, 2^651396160 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 651396160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777532608).

651396160 is an abundant number, since it is smaller than the sum of its proper divisors (903669056).

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

651396160 is a wasteful number, since it uses less digits than its factorization.

651396160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171 (or 5161 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 651396160 is about 25522.4638309079. The cubic root of 651396160 is about 866.8588712432.

The spelling of 651396160 in words is "six hundred fifty-one million, three hundred ninety-six thousand, one hundred sixty".