161166064 has 40 divisors (see below), whose sum is σ = 320850992. Its totient is φ = 78382080.

The previous prime is 161166053. The next prime is 161166067. The reversal of 161166064 is 460661161.

161166064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161166067) 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, 297634 + ... + 298174.

Almost surely, 2^161166064 is an apocalyptic number.

It is an amenable number.

161166064 is a deficient number, since it is larger than the sum of its proper divisors (159684928).

161166064 is a wasteful number, since it uses less digits than its factorization.

161166064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 161166064 is about 12695.1196922282. The cubic root of 161166064 is about 544.1991593450.

The spelling of 161166064 in words is "one hundred sixty-one million, one hundred sixty-six thousand, sixty-four".