1164544654 has 16 divisors (see below), whose sum is σ = 2149928928. Its totient is φ = 460698912.

The previous prime is 1164544651. The next prime is 1164544657. The reversal of 1164544654 is 4564454611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1164544651) and next prime (1164544657).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164544651) 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, 3199117 + ... + 3199480.

It is an arithmetic number, because the mean of its divisors is an integer number (134370558).

Almost surely, 2^1164544654 is an apocalyptic number.

1164544654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1164544654 is a deficient number, since it is larger than the sum of its proper divisors (985384274).

1164544654 is a wasteful number, since it uses less digits than its factorization.

1164544654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398619.

The product of its digits is 230400, while the sum is 40.

The square root of 1164544654 is about 34125.4253306827. The cubic root of 1164544654 is about 1052.0879553413.

The spelling of 1164544654 in words is "one billion, one hundred sixty-four million, five hundred forty-four thousand, six hundred fifty-four".