501161662 has 4 divisors (see below), whose sum is σ = 751742496. Its totient is φ = 250580830.

The previous prime is 501161599. The next prime is 501161663. The reversal of 501161662 is 266161105.

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

It is a super-2 number, since 2×501161662² = 502326022917204488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501161662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501161663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125290414 + ... + 125290417.

It is an arithmetic number, because the mean of its divisors is an integer number (187935624).

Almost surely, 2^501161662 is an apocalyptic number.

501161662 is a deficient number, since it is larger than the sum of its proper divisors (250580834).

501161662 is a wasteful number, since it uses less digits than its factorization.

501161662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250580833.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 501161662 is about 22386.6402570819. The cubic root of 501161662 is about 794.3147250619.

The spelling of 501161662 in words is "five hundred one million, one hundred sixty-one thousand, six hundred sixty-two".