791660541 has 8 divisors (see below), whose sum is σ = 1206339904. Its totient is φ = 452377440.

The previous prime is 791660533. The next prime is 791660561. The reversal of 791660541 is 145066197.

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

It is not a de Polignac number, because 791660541 - 2³ = 791660533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 791660541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791660561) 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, 18849040 + ... + 18849081.

It is an arithmetic number, because the mean of its divisors is an integer number (150792488).

Almost surely, 2^791660541 is an apocalyptic number.

It is an amenable number.

791660541 is a deficient number, since it is larger than the sum of its proper divisors (414679363).

791660541 is a wasteful number, since it uses less digits than its factorization.

791660541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37698131.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 791660541 is about 28136.4628373930. The cubic root of 791660541 is about 925.0807978119.

The spelling of 791660541 in words is "seven hundred ninety-one million, six hundred sixty thousand, five hundred forty-one".