61069916 has 24 divisors (see below), whose sum is σ = 113752800. Its totient is φ = 28588032.

The previous prime is 61069909. The next prime is 61069919. The reversal of 61069916 is 61996016.

It is a self number, because there is not a number n which added to its sum of digits gives 61069916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61069919) 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, 11276 + ... + 15788.

It is an arithmetic number, because the mean of its divisors is an integer number (4739700).

Almost surely, 2^61069916 is an apocalyptic number.

It is an amenable number.

61069916 is a deficient number, since it is larger than the sum of its proper divisors (52682884).

61069916 is a wasteful number, since it uses less digits than its factorization.

61069916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4731 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 61069916 is about 7814.7243073572. The cubic root of 61069916 is about 393.8000565907.

The spelling of 61069916 in words is "sixty-one million, sixty-nine thousand, nine hundred sixteen".