662116634 has 4 divisors (see below), whose sum is σ = 993174954. Its totient is φ = 331058316.

The previous prime is 662116633. The next prime is 662116639. The reversal of 662116634 is 436611266.

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., 552391009 + 109725625 = 23503^2 + 10475^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 662116594 and 662116603.

It is not an unprimeable number, because it can be changed into a prime (662116633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165529157 + ... + 165529160.

Almost surely, 2^662116634 is an apocalyptic number.

662116634 is a deficient number, since it is larger than the sum of its proper divisors (331058320).

662116634 is a wasteful number, since it uses less digits than its factorization.

662116634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331058319.

The product of its digits is 31104, while the sum is 35.

The square root of 662116634 is about 25731.6271152836. The cubic root of 662116634 is about 871.5885162986.

The spelling of 662116634 in words is "six hundred sixty-two million, one hundred sixteen thousand, six hundred thirty-four".