161528495 has 16 divisors (see below), whose sum is σ = 199512768. Its totient is φ = 125452800.

The previous prime is 161528473. The next prime is 161528501. The reversal of 161528495 is 594825161.

It is not a de Polignac number, because 161528495 - 2⁶ = 161528431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133895 + ... + 135095.

It is an arithmetic number, because the mean of its divisors is an integer number (12469548).

Almost surely, 2^161528495 is an apocalyptic number.

161528495 is a deficient number, since it is larger than the sum of its proper divisors (37984273).

161528495 is a wasteful number, since it uses less digits than its factorization.

161528495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its digits is 86400, while the sum is 41.

The square root of 161528495 is about 12709.3860984707. The cubic root of 161528495 is about 544.6067864795.

The spelling of 161528495 in words is "one hundred sixty-one million, five hundred twenty-eight thousand, four hundred ninety-five".