2161037054 has 16 divisors (see below), whose sum is σ = 3546272880. Its totient is φ = 979503360.

The previous prime is 2161037023. The next prime is 2161037069. The reversal of 2161037054 is 4507301612.

It is a super-2 number, since 2×2161037054² = 9340162297521997832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 131369 + ... + 146900.

It is an arithmetic number, because the mean of its divisors is an integer number (221642055).

Almost surely, 2^2161037054 is an apocalyptic number.

2161037054 is a deficient number, since it is larger than the sum of its proper divisors (1385235826).

2161037054 is a wasteful number, since it uses less digits than its factorization.

2161037054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278635.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2161037054 is about 46486.9557402934. The cubic root of 2161037054 is about 1292.8676573190.

Adding to 2161037054 its reverse (4507301612), we get a palindrome (6668338666).

The spelling of 2161037054 in words is "two billion, one hundred sixty-one million, thirty-seven thousand, fifty-four".