660151296 has 264 divisors, whose sum is σ = 2265128320. Its totient is φ = 188116992.

The previous prime is 660151277. The next prime is 660151309. The reversal of 660151296 is 692151066.

It is a super-2 number, since 2×660151296² = 871599467220959232, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 660151296.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1741635 + ... + 1742013.

Almost surely, 2^660151296 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 660151296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132564160).

660151296 is an abundant number, since it is smaller than the sum of its proper divisors (1604977024).

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

660151296 is an equidigital number, since it uses as much as digits as its factorization.

660151296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 660151296 is about 25693.4095830040. The cubic root of 660151296 is about 870.7252929178.

The spelling of 660151296 in words is "six hundred sixty million, one hundred fifty-one thousand, two hundred ninety-six".