61816926 has 16 divisors (see below), whose sum is σ = 123744384. Its totient is φ = 20587224.

The previous prime is 61816919. The next prime is 61816927. The reversal of 61816926 is 62961816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61816927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (7734024).

Almost surely, 2^61816926 is an apocalyptic number.

61816926 is an abundant number, since it is smaller than the sum of its proper divisors (61927458).

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

61816926 is a wasteful number, since it uses less digits than its factorization.

61816926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215.

The product of its digits is 31104, while the sum is 39.

The square root of 61816926 is about 7862.3740689438. The cubic root of 61816926 is about 395.3992139738.

The spelling of 61816926 in words is "sixty-one million, eight hundred sixteen thousand, nine hundred twenty-six".