651266352 has 160 divisors (see below), whose sum is σ = 2105579520. Its totient is φ = 190944000.

The previous prime is 651266351. The next prime is 651266377. The reversal of 651266352 is 253662156.

It is a happy number.

651266352 is a `hidden beast` number, since 6 + 5 + 12 + 6 + 635 + 2 = 666.

It is a super-2 number, since 2×651266352² = 848295722494775808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (651266351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145102 + ... + 149522.

It is an arithmetic number, because the mean of its divisors is an integer number (13159872).

Almost surely, 2^651266352 is an apocalyptic number.

651266352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651266352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052789760).

651266352 is an abundant number, since it is smaller than the sum of its proper divisors (1454313168).

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

651266352 is a wasteful number, since it uses less digits than its factorization.

651266352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480 (or 4468 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 651266352 is about 25519.9206895319. The cubic root of 651266352 is about 866.8012858604.

The spelling of 651266352 in words is "six hundred fifty-one million, two hundred sixty-six thousand, three hundred fifty-two".