1163977554 has 16 divisors (see below), whose sum is σ = 2359845792. Its totient is φ = 382677408.

The previous prime is 1163977541. The next prime is 1163977571. The reversal of 1163977554 is 4557793611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328304 + ... + 1329179.

It is an arithmetic number, because the mean of its divisors is an integer number (147490362).

Almost surely, 2^1163977554 is an apocalyptic number.

1163977554 is an abundant number, since it is smaller than the sum of its proper divisors (1195868238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163977554 is a wasteful number, since it uses less digits than its factorization.

1163977554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657561.

The product of its digits is 793800, while the sum is 48.

The square root of 1163977554 is about 34117.1152649224. The cubic root of 1163977554 is about 1051.9171486795.

The spelling of 1163977554 in words is "one billion, one hundred sixty-three million, nine hundred seventy-seven thousand, five hundred fifty-four".