161303707 has 8 divisors (see below), whose sum is σ = 165785840. Its totient is φ = 156854880.

The previous prime is 161303657. The next prime is 161303741. The reversal of 161303707 is 707303161.

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 161303707 - 2⁷ = 161303579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161303507) 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, 1657 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (20723230).

Almost surely, 2^161303707 is an apocalyptic number.

161303707 is a deficient number, since it is larger than the sum of its proper divisors (4482133).

161303707 is a wasteful number, since it uses less digits than its factorization.

161303707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16653.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 161303707 is about 12700.5396342045. The cubic root of 161303707 is about 544.3540387057.

Adding to 161303707 its reverse (707303161), we get a palindrome (868606868).

The spelling of 161303707 in words is "one hundred sixty-one million, three hundred three thousand, seven hundred seven".