2665157432 has 48 divisors (see below), whose sum is σ = 5864574960. Its totient is φ = 1132083456.

The previous prime is 2665157431. The next prime is 2665157441. The reversal of 2665157432 is 2347515662.

It is a self number, because there is not a number n which added to its sum of digits gives 2665157432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665157431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14213 + ... + 74379.

It is an arithmetic number, because the mean of its divisors is an integer number (122178645).

Almost surely, 2^2665157432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665157432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2932287480).

2665157432 is an abundant number, since it is smaller than the sum of its proper divisors (3199417528).

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

2665157432 is a wasteful number, since it uses less digits than its factorization.

2665157432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60300 (or 60289 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 2665157432 is about 51625.1627794044. The cubic root of 2665157432 is about 1386.4608881137.

The spelling of 2665157432 in words is "two billion, six hundred sixty-five million, one hundred fifty-seven thousand, four hundred thirty-two".