2661153 has 12 divisors (see below), whose sum is σ = 3900624. Its totient is φ = 1612600.

The previous prime is 2661137. The next prime is 2661157. The reversal of 2661153 is 3511662.

It is not a de Polignac number, because 2661153 - 2⁴ = 2661137 is a prime.

It is a super-3 number, since 3×2661153³ = 56536743331849885731, which contains 333 as substring.

It is a Curzon number.

2661153 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2661157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3303 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (325052).

2^2661153 is an apocalyptic number.

It is an amenable number.

2661153 is a deficient number, since it is larger than the sum of its proper divisors (1239471).

2661153 is a wasteful number, since it uses less digits than its factorization.

2661153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7345 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2661153 is about 1631.3040795633. The cubic root of 2661153 is about 138.5766148503.

The spelling of 2661153 in words is "two million, six hundred sixty-one thousand, one hundred fifty-three".