662968541 has 8 divisors (see below), whose sum is σ = 666873984. Its totient is φ = 659070720.

The previous prime is 662968517. The next prime is 662968543. The reversal of 662968541 is 145869266.

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

It is a cyclic number.

It is not a de Polignac number, because 662968541 - 2⁶ = 662968477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662968543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312701 + ... + 314813.

It is an arithmetic number, because the mean of its divisors is an integer number (83359248).

Almost surely, 2^662968541 is an apocalyptic number.

It is an amenable number.

662968541 is a deficient number, since it is larger than the sum of its proper divisors (3905443).

662968541 is a wasteful number, since it uses less digits than its factorization.

662968541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811.

The product of its digits is 622080, while the sum is 47.

The square root of 662968541 is about 25748.1754887604. The cubic root of 662968541 is about 871.9621635275.

The spelling of 662968541 in words is "six hundred sixty-two million, nine hundred sixty-eight thousand, five hundred forty-one".