61880150 has 48 divisors (see below), whose sum is σ = 123541200. Its totient is φ = 22988160.

The previous prime is 61880149. The next prime is 61880167. The reversal of 61880150 is 5108816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49736 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (2573775).

Almost surely, 2^61880150 is an apocalyptic number.

61880150 is a deficient number, since it is larger than the sum of its proper divisors (61661050).

61880150 is a wasteful number, since it uses less digits than its factorization.

61880150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 61880150 is about 7866.3937099538. The cubic root of 61880150 is about 395.5339678014.

Adding to 61880150 its reverse (5108816), we get a palindrome (66988966).

The spelling of 61880150 in words is "sixty-one million, eight hundred eighty thousand, one hundred fifty".