161633050 has 12 divisors (see below), whose sum is σ = 300637566. Its totient is φ = 64653200.

The previous prime is 161633041. The next prime is 161633051. The reversal of 161633050 is 50336161.

161633050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 152794321 + 8838729 = 12361^2 + 2973^2 .

It is a super-2 number, since 2×161633050² = 52250485704605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (161633051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1616281 + ... + 1616380.

Almost surely, 2^161633050 is an apocalyptic number.

161633050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161633050 is a deficient number, since it is larger than the sum of its proper divisors (139004516).

161633050 is a wasteful number, since it uses less digits than its factorization.

161633050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232673 (or 3232668 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 161633050 is about 12713.4987316631. The cubic root of 161633050 is about 544.7242664350.

The spelling of 161633050 in words is "one hundred sixty-one million, six hundred thirty-three thousand, fifty".