651113166 has 32 divisors (see below), whose sum is σ = 1495382400. Its totient is φ = 186922080.

The previous prime is 651113159. The next prime is 651113167. The reversal of 651113166 is 661311156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651113167) 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 15 ways as a sum of consecutive naturals, for example, 258361 + ... + 260868.

It is an arithmetic number, because the mean of its divisors is an integer number (46730700).

Almost surely, 2^651113166 is an apocalyptic number.

651113166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

651113166 is an abundant number, since it is smaller than the sum of its proper divisors (844269234).

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

651113166 is a wasteful number, since it uses less digits than its factorization.

651113166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519264.

The product of its digits is 3240, while the sum is 30.

The square root of 651113166 is about 25516.9192105944. The cubic root of 651113166 is about 866.7333196930.

The spelling of 651113166 in words is "six hundred fifty-one million, one hundred thirteen thousand, one hundred sixty-six".