161050425 has 48 divisors (see below), whose sum is σ = 277744128. Its totient is φ = 82252800.

The previous prime is 161050399. The next prime is 161050429. The reversal of 161050425 is 524050161.

It is not a de Polignac number, because 161050425 - 2⁷ = 161050297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161050395 and 161050404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161050429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262419 + ... + 263031.

It is an arithmetic number, because the mean of its divisors is an integer number (5786336).

Almost surely, 2^161050425 is an apocalyptic number.

161050425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161050425 is a deficient number, since it is larger than the sum of its proper divisors (116693703).

161050425 is a wasteful number, since it uses less digits than its factorization.

161050425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 765 counting only the distinct ones).

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

The square root of 161050425 is about 12690.5644082523. The cubic root of 161050425 is about 544.0689712598.

The spelling of 161050425 in words is "one hundred sixty-one million, fifty thousand, four hundred twenty-five".