161625483 has 16 divisors (see below), whose sum is σ = 239643040. Its totient is φ = 107661312.

The previous prime is 161625473. The next prime is 161625491. The reversal of 161625483 is 384526161.

It is a happy number.

161625483 is a `hidden beast` number, since 16 + 162 + 5 + 483 = 666.

It is not a de Polignac number, because 161625483 - 2⁴ = 161625467 is a prime.

It is a super-2 number, since 2×161625483² = 52245593509966578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161625463) 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, 55635 + ... + 58467.

It is an arithmetic number, because the mean of its divisors is an integer number (14977690).

Almost surely, 2^161625483 is an apocalyptic number.

161625483 is a deficient number, since it is larger than the sum of its proper divisors (78017557).

161625483 is a wasteful number, since it uses less digits than its factorization.

161625483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4949 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 161625483 is about 12713.2011311078. The cubic root of 161625483 is about 544.7157657130.

The spelling of 161625483 in words is "one hundred sixty-one million, six hundred twenty-five thousand, four hundred eighty-three".