1660010701 has 4 divisors (see below), whose sum is σ = 1660159900. Its totient is φ = 1659861504.

The previous prime is 1660010689. The next prime is 1660010731. The reversal of 1660010701 is 1070100661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1046457801 + 613552900 = 32349^2 + 24770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1660010701 - 2⁵ = 1660010669 is a prime.

It is a super-2 number, since 2×1660010701² = 5511271054869022802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660010731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56436 + ... + 80653.

It is an arithmetic number, because the mean of its divisors is an integer number (415039975).

Almost surely, 2^1660010701 is an apocalyptic number.

It is an amenable number.

1660010701 is a deficient number, since it is larger than the sum of its proper divisors (149199).

1660010701 is a wasteful number, since it uses less digits than its factorization.

1660010701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149198.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1660010701 is about 40743.2288975727. The cubic root of 1660010701 is about 1184.0506918144.

The spelling of 1660010701 in words is "one billion, six hundred sixty million, ten thousand, seven hundred one".