2372237661 has 8 divisors (see below), whose sum is σ = 3165125184. Its totient is φ = 1580420960.

The previous prime is 2372237657. The next prime is 2372237677. The reversal of 2372237661 is 1667322732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2372237661 - 2² = 2372237657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372237561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262521 + ... + 271406.

It is an arithmetic number, because the mean of its divisors is an integer number (395640648).

Almost surely, 2^2372237661 is an apocalyptic number.

It is an amenable number.

2372237661 is a deficient number, since it is larger than the sum of its proper divisors (792887523).

2372237661 is a wasteful number, since it uses less digits than its factorization.

2372237661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535411.

The product of its digits is 127008, while the sum is 39.

The square root of 2372237661 is about 48705.6224783135. The cubic root of 2372237661 is about 1333.6833584302.

The spelling of 2372237661 in words is "two billion, three hundred seventy-two million, two hundred thirty-seven thousand, six hundred sixty-one".