2601161142 has 16 divisors (see below), whose sum is σ = 5476128960. Its totient is φ = 821419272.

The previous prime is 2601161137. The next prime is 2601161159. The reversal of 2601161142 is 2411611062.

It is a happy 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, 11408488 + ... + 11408715.

It is an arithmetic number, because the mean of its divisors is an integer number (342258060).

Almost surely, 2^2601161142 is an apocalyptic number.

2601161142 is an abundant number, since it is smaller than the sum of its proper divisors (2874967818).

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

2601161142 is a wasteful number, since it uses less digits than its factorization.

2601161142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22817227.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2601161142 is about 51001.5797990611. The cubic root of 2601161142 is about 1375.2735353548.

It can be divided in two parts, 26011 and 61142, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 2601161142 in words is "two billion, six hundred one million, one hundred sixty-one thousand, one hundred forty-two".