650166264 has 160 divisors (see below), whose sum is σ = 2025278640. Its totient is φ = 193190400.

The previous prime is 650166259. The next prime is 650166269. The reversal of 650166264 is 462661056.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (650166259) and next prime (650166269).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650166269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376924 + ... + 378644.

Almost surely, 2^650166264 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 650166264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012639320).

650166264 is an abundant number, since it is smaller than the sum of its proper divisors (1375112376).

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

650166264 is a wasteful number, since it uses less digits than its factorization.

650166264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 650166264 is about 25498.3580647853. The cubic root of 650166264 is about 866.3129577000.

The spelling of 650166264 in words is "six hundred fifty million, one hundred sixty-six thousand, two hundred sixty-four".