61101916 has 12 divisors (see below), whose sum is σ = 107023840. Its totient is φ = 30523680.

The previous prime is 61101913. The next prime is 61101917. The reversal of 61101916 is 61910116.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101913) 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, 1281 + ... + 11128.

Almost surely, 2^61101916 is an apocalyptic number.

It is an amenable number.

61101916 is a deficient number, since it is larger than the sum of its proper divisors (45921924).

61101916 is a wasteful number, since it uses less digits than its factorization.

61101916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644 (or 13642 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 61101916 is about 7816.7714562983. The cubic root of 61101916 is about 393.8688269567.

The spelling of 61101916 in words is "sixty-one million, one hundred one thousand, nine hundred sixteen".