61916370 has 32 divisors (see below), whose sum is σ = 151122240. Its totient is φ = 16230720.

The previous prime is 61916369. The next prime is 61916377. The reversal of 61916370 is 7361916.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61916377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15721 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (4722570).

Almost surely, 2^61916370 is an apocalyptic number.

61916370 is an abundant number, since it is smaller than the sum of its proper divisors (89205870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61916370 is a wasteful number, since it uses less digits than its factorization.

61916370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35050.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 61916370 is about 7868.6955716942. The cubic root of 61916370 is about 395.6111247252.

It can be divided in two parts, 6191 and 6370, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 61916370 in words is "sixty-one million, nine hundred sixteen thousand, three hundred seventy".