5660121237 has 8 divisors (see below), whose sum is σ = 7547179104. Its totient is φ = 3773238768.

The previous prime is 5660121179. The next prime is 5660121277. The reversal of 5660121237 is 7321210665.

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

It is not a de Polignac number, because 5660121237 - 2¹¹ = 5660119189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5660121198 and 5660121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660121277) 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, 88638 + ... + 138480.

It is an arithmetic number, because the mean of its divisors is an integer number (943397388).

Almost surely, 2^5660121237 is an apocalyptic number.

It is an amenable number.

5660121237 is a deficient number, since it is larger than the sum of its proper divisors (1887057867).

5660121237 is a wasteful number, since it uses less digits than its factorization.

5660121237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87699.

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

The square root of 5660121237 is about 75233.7772346969. Note that the first 3 decimals coincide. The cubic root of 5660121237 is about 1782.1403824631.

The spelling of 5660121237 in words is "five billion, six hundred sixty million, one hundred twenty-one thousand, two hundred thirty-seven".