161054025 has 36 divisors (see below), whose sum is σ = 292700016. Its totient is φ = 78082400.

The previous prime is 161053967. The next prime is 161054029. The reversal of 161054025 is 520450161.

It is not a de Polignac number, because 161054025 - 2¹⁴ = 161037641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161053986 and 161054004.

It is not an unprimeable number, because it can be changed into a prime (161054029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 202 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (8130556).

Almost surely, 2^161054025 is an apocalyptic number.

161054025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161054025 is a deficient number, since it is larger than the sum of its proper divisors (131645991).

161054025 is a wasteful number, since it uses less digits than its factorization.

161054025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17782 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 161054025 is about 12690.7062451228. The cubic root of 161054025 is about 544.0730251323.

The spelling of 161054025 in words is "one hundred sixty-one million, fifty-four thousand, twenty-five".