2661157032 has 32 divisors (see below), whose sum is σ = 6658450080. Its totient is φ = 886311360.

The previous prime is 2661157019. The next prime is 2661157069. The reversal of 2661157032 is 2307511662.

It is a junction number, because it is equal to n+sod(n) for n = 2661156984 and 2661157002.

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, 16594 + ... + 74817.

It is an arithmetic number, because the mean of its divisors is an integer number (208076565).

Almost surely, 2^2661157032 is an apocalyptic number.

It is an amenable number.

2661157032 is an abundant number, since it is smaller than the sum of its proper divisors (3997293048).

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

2661157032 is a wasteful number, since it uses less digits than its factorization.

2661157032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92633 (or 92629 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2661157032 is about 51586.4035575267. The cubic root of 2661157032 is about 1385.7668483754.

Adding to 2661157032 its reverse (2307511662), we get a palindrome (4968668694).

The spelling of 2661157032 in words is "two billion, six hundred sixty-one million, one hundred fifty-seven thousand, thirty-two".