915337661 has 4 divisors (see below), whose sum is σ = 1046100192. Its totient is φ = 784575132.

The previous prime is 915337627. The next prime is 915337663. The reversal of 915337661 is 166733519.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 915337661 - 2¹⁰ = 915336637 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 (915337663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65381255 + ... + 65381268.

It is an arithmetic number, because the mean of its divisors is an integer number (261525048).

Almost surely, 2^915337661 is an apocalyptic number.

It is an amenable number.

915337661 is a deficient number, since it is larger than the sum of its proper divisors (130762531).

915337661 is a wasteful number, since it uses less digits than its factorization.

915337661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130762530.

The product of its digits is 102060, while the sum is 41.

The square root of 915337661 is about 30254.5477738472. The cubic root of 915337661 is about 970.9430941757.

The spelling of 915337661 in words is "nine hundred fifteen million, three hundred thirty-seven thousand, six hundred sixty-one".