1149374661 has 32 divisors (see below), whose sum is σ = 1606348800. Its totient is φ = 730107840.

The previous prime is 1149374609. The next prime is 1149374687. The reversal of 1149374661 is 1664739411.

It is not a de Polignac number, because 1149374661 - 2¹³ = 1149366469 is a prime.

It is a super-2 number, since 2×1149374661² = 2642124222697729842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149374461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3472266 + ... + 3472596.

It is an arithmetic number, because the mean of its divisors is an integer number (50198400).

Almost surely, 2^1149374661 is an apocalyptic number.

It is an amenable number.

1149374661 is a deficient number, since it is larger than the sum of its proper divisors (456974139).

1149374661 is a wasteful number, since it uses less digits than its factorization.

1149374661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 108864, while the sum is 42.

The square root of 1149374661 is about 33902.4285413302. The cubic root of 1149374661 is about 1047.4996169611.

The spelling of 1149374661 in words is "one billion, one hundred forty-nine million, three hundred seventy-four thousand, six hundred sixty-one".