161545088 has 16 divisors (see below), whose sum is σ = 321828360. Its totient is φ = 80772480.

The previous prime is 161545081. The next prime is 161545091. The reversal of 161545088 is 880545161.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161545081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630908 + ... + 631163.

Almost surely, 2^161545088 is an apocalyptic number.

It is an amenable number.

161545088 is a deficient number, since it is larger than the sum of its proper divisors (160283272).

161545088 is an equidigital number, since it uses as much as digits as its factorization.

161545088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262085 (or 1262073 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 161545088 is about 12710.0388669744. The cubic root of 161545088 is about 544.6254340686.

The spelling of 161545088 in words is "one hundred sixty-one million, five hundred forty-five thousand, eighty-eight".