651266162 has 4 divisors (see below), whose sum is σ = 976899246. Its totient is φ = 325633080.

The previous prime is 651266101. The next prime is 651266167. The reversal of 651266162 is 261662156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 442723681 + 208542481 = 21041^2 + 14441^2 .

It is a super-2 number, since 2×651266162² = 848295227532420488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651266167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162816539 + ... + 162816542.

Almost surely, 2^651266162 is an apocalyptic number.

651266162 is a deficient number, since it is larger than the sum of its proper divisors (325633084).

651266162 is a wasteful number, since it uses less digits than its factorization.

651266162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325633083.

The product of its digits is 25920, while the sum is 35.

The square root of 651266162 is about 25519.9169669496. The cubic root of 651266162 is about 866.8012015671.

The spelling of 651266162 in words is "six hundred fifty-one million, two hundred sixty-six thousand, one hundred sixty-two".