161496753 has 16 divisors (see below), whose sum is σ = 248723136. Its totient is φ = 92119040.

The previous prime is 161496721. The next prime is 161496767. The reversal of 161496753 is 357694161.

It is a cyclic number.

It is not a de Polignac number, because 161496753 - 2⁵ = 161496721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161496703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143376 + ... + 144497.

It is an arithmetic number, because the mean of its divisors is an integer number (15545196).

Almost surely, 2^161496753 is an apocalyptic number.

It is an amenable number.

161496753 is a deficient number, since it is larger than the sum of its proper divisors (87226383).

161496753 is a wasteful number, since it uses less digits than its factorization.

161496753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287904.

The product of its digits is 136080, while the sum is 42.

The square root of 161496753 is about 12708.1372749904. The cubic root of 161496753 is about 544.5711105428.

The spelling of 161496753 in words is "one hundred sixty-one million, four hundred ninety-six thousand, seven hundred fifty-three".