914597661 has 16 divisors (see below), whose sum is σ = 1286728640. Its totient is φ = 576253440.

The previous prime is 914597653. The next prime is 914597683. The reversal of 914597661 is 166795419.

It is a happy number.

It is not a de Polignac number, because 914597661 - 2³ = 914597653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 914597661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914597641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 43053.

It is an arithmetic number, because the mean of its divisors is an integer number (80420540).

Almost surely, 2^914597661 is an apocalyptic number.

It is an amenable number.

914597661 is a deficient number, since it is larger than the sum of its proper divisors (372130979).

914597661 is a wasteful number, since it uses less digits than its factorization.

914597661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38556.

The product of its digits is 408240, while the sum is 48.

The square root of 914597661 is about 30242.3157347449. The cubic root of 914597661 is about 970.6813723255.

The spelling of 914597661 in words is "nine hundred fourteen million, five hundred ninety-seven thousand, six hundred sixty-one".