1166240554 has 16 divisors (see below), whose sum is σ = 1775481408. Its totient is φ = 574432992.

The previous prime is 1166240483. The next prime is 1166240561. The reversal of 1166240554 is 4550426611.

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, 128019 + ... + 136825.

It is an arithmetic number, because the mean of its divisors is an integer number (110967588).

Almost surely, 2^1166240554 is an apocalyptic number.

1166240554 is a deficient number, since it is larger than the sum of its proper divisors (609240854).

1166240554 is an equidigital number, since it uses as much as digits as its factorization.

1166240554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1166240554 is about 34150.2643327984. The cubic root of 1166240554 is about 1052.5984182486.

The spelling of 1166240554 in words is "one billion, one hundred sixty-six million, two hundred forty thousand, five hundred fifty-four".