1164481657 has 8 divisors (see below), whose sum is σ = 1233535392. Its totient is φ = 1095489600.

The previous prime is 1164481609. The next prime is 1164481673. The reversal of 1164481657 is 7561844611.

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 1164481657 - 2¹⁵ = 1164448889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164481687) 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, 26782 + ... + 55192.

It is an arithmetic number, because the mean of its divisors is an integer number (154191924).

Almost surely, 2^1164481657 is an apocalyptic number.

1164481657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1164481657 is a deficient number, since it is larger than the sum of its proper divisors (69053735).

1164481657 is a wasteful number, since it uses less digits than its factorization.

1164481657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30839.

The product of its digits is 161280, while the sum is 43.

The square root of 1164481657 is about 34124.5022967369. The cubic root of 1164481657 is about 1052.0689838117.

The spelling of 1164481657 in words is "one billion, one hundred sixty-four million, four hundred eighty-one thousand, six hundred fifty-seven".