662177042 has 4 divisors (see below), whose sum is σ = 993265566. Its totient is φ = 331088520.

The previous prime is 662177041. The next prime is 662177053. The reversal of 662177042 is 240771266.

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., 495018001 + 167159041 = 22249^2 + 12929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662176993 and 662177011.

It is not an unprimeable number, because it can be changed into a prime (662177041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165544259 + ... + 165544262.

Almost surely, 2^662177042 is an apocalyptic number.

662177042 is a deficient number, since it is larger than the sum of its proper divisors (331088524).

662177042 is a wasteful number, since it uses less digits than its factorization.

662177042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331088523.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 662177042 is about 25732.8008969098. The cubic root of 662177042 is about 871.6150218593.

The spelling of 662177042 in words is "six hundred sixty-two million, one hundred seventy-seven thousand, forty-two".