9660157705 has 8 divisors (see below), whose sum is σ = 12646024704. Its totient is φ = 7025569200.

The previous prime is 9660157687. The next prime is 9660157709. The reversal of 9660157705 is 5077510669.

It is a happy number.

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

It is not a de Polignac number, because 9660157705 - 2⁹ = 9660157193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9660157709) 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, 87819561 + ... + 87819670.

It is an arithmetic number, because the mean of its divisors is an integer number (1580753088).

Almost surely, 2^9660157705 is an apocalyptic number.

It is an amenable number.

9660157705 is a deficient number, since it is larger than the sum of its proper divisors (2985866999).

9660157705 is a wasteful number, since it uses less digits than its factorization.

9660157705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175639247.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 9660157705 is about 98286.1012809034. The cubic root of 9660157705 is about 2129.7472794861.

The spelling of 9660157705 in words is "nine billion, six hundred sixty million, one hundred fifty-seven thousand, seven hundred five".