1161404492 has 24 divisors (see below), whose sum is σ = 2054742480. Its totient is φ = 574367040.

The previous prime is 1161404449. The next prime is 1161404539. The reversal of 1161404492 is 2944041611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150242 + ... + 157782.

It is an arithmetic number, because the mean of its divisors is an integer number (85614270).

Almost surely, 2^1161404492 is an apocalyptic number.

It is an amenable number.

1161404492 is a deficient number, since it is larger than the sum of its proper divisors (893337988).

1161404492 is a wasteful number, since it uses less digits than its factorization.

1161404492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961 (or 7959 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1161404492 is about 34079.3851470357. The cubic root of 1161404492 is about 1051.1414622115.

The spelling of 1161404492 in words is "one billion, one hundred sixty-one million, four hundred four thousand, four hundred ninety-two".