2562157966 has 8 divisors (see below), whose sum is σ = 3862746360. Its totient is φ = 1274575848.

The previous prime is 2562157963. The next prime is 2562157993. The reversal of 2562157966 is 6697512652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562157963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251076 + ... + 3251863.

It is an arithmetic number, because the mean of its divisors is an integer number (482843295).

Almost surely, 2^2562157966 is an apocalyptic number.

2562157966 is a deficient number, since it is larger than the sum of its proper divisors (1300588394).

2562157966 is a wasteful number, since it uses less digits than its factorization.

2562157966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503138.

The product of its digits is 1360800, while the sum is 49.

The square root of 2562157966 is about 50617.7633445019. The cubic root of 2562157966 is about 1368.3650316730.

The spelling of 2562157966 in words is "two billion, five hundred sixty-two million, one hundred fifty-seven thousand, nine hundred sixty-six".