61662044 has 12 divisors (see below), whose sum is σ = 108533544. Its totient is φ = 30652464.

The previous prime is 61662037. The next prime is 61662047. The reversal of 61662044 is 44026616.

It is a junction number, because it is equal to n+sod(n) for n = 61661998 and 61662016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61662047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43862 + ... + 45245.

It is an arithmetic number, because the mean of its divisors is an integer number (9044462).

Almost surely, 2^61662044 is an apocalyptic number.

It is an amenable number.

61662044 is a deficient number, since it is larger than the sum of its proper divisors (46871500).

61662044 is a wasteful number, since it uses less digits than its factorization.

61662044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89284 (or 89282 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 61662044 is about 7852.5183221690. The cubic root of 61662044 is about 395.0687142115.

The spelling of 61662044 in words is "sixty-one million, six hundred sixty-two thousand, forty-four".