160961549 has 4 divisors (see below), whose sum is σ = 183956064. Its totient is φ = 137967036.

The previous prime is 160961539. The next prime is 160961551. The reversal of 160961549 is 945169061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160961549 - 2⁴ = 160961533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160961539) 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, 11497247 + ... + 11497260.

It is an arithmetic number, because the mean of its divisors is an integer number (45989016).

Almost surely, 2^160961549 is an apocalyptic number.

It is an amenable number.

160961549 is a deficient number, since it is larger than the sum of its proper divisors (22994515).

160961549 is an equidigital number, since it uses as much as digits as its factorization.

160961549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22994514.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 160961549 is about 12687.0622683110. The cubic root of 160961549 is about 543.9688709930.

The spelling of 160961549 in words is "one hundred sixty million, nine hundred sixty-one thousand, five hundred forty-nine".