161166030641 has 8 divisors (see below), whose sum is σ = 200934272064. Its totient is φ = 125583919920.

The previous prime is 161166030617. The next prime is 161166030671. The reversal of 161166030641 is 146030661161.

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 161166030641 - 2⁶ = 161166030577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161166030611) 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, 1046532590 + ... + 1046532743.

It is an arithmetic number, because the mean of its divisors is an integer number (25116784008).

Almost surely, 2^161166030641 is an apocalyptic number.

161166030641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161166030641 is a deficient number, since it is larger than the sum of its proper divisors (39768241423).

161166030641 is a wasteful number, since it uses less digits than its factorization.

161166030641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093065351.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 161166030641 in words is "one hundred sixty-one billion, one hundred sixty-six million, thirty thousand, six hundred forty-one".