1660876145 has 8 divisors (see below), whose sum is σ = 2001832704. Its totient is φ = 1322846704.

The previous prime is 1660876141. The next prime is 1660876157. The reversal of 1660876145 is 5416780661.

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 1660876145 - 2² = 1660876141 is a prime.

It is a super-2 number, since 2×1660876145² = 5517019138060122050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1660876096 and 1660876105.

It is not an unprimeable number, because it can be changed into a prime (1660876141) 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, 730529 + ... + 732798.

It is an arithmetic number, because the mean of its divisors is an integer number (250229088).

Almost surely, 2^1660876145 is an apocalyptic number.

It is an amenable number.

1660876145 is a deficient number, since it is larger than the sum of its proper divisors (340956559).

1660876145 is a wasteful number, since it uses less digits than its factorization.

1660876145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463559.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1660876145 is about 40753.8482232046. The cubic root of 1660876145 is about 1184.2564237287.

The spelling of 1660876145 in words is "one billion, six hundred sixty million, eight hundred seventy-six thousand, one hundred forty-five".