61693606 has 16 divisors (see below), whose sum is σ = 100107504. Its totient is φ = 28345824.

The previous prime is 61693591. The next prime is 61693607. The reversal of 61693606 is 60639616.

It is a super-2 number, since 2×61693606² = 7612202042566472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61693607) 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, 676 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (6256719).

Almost surely, 2^61693606 is an apocalyptic number.

61693606 is a deficient number, since it is larger than the sum of its proper divisors (38413898).

61693606 is a wasteful number, since it uses less digits than its factorization.

61693606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 61693606 is about 7854.5277388268. The cubic root of 61693606 is about 395.1361086251.

The spelling of 61693606 in words is "sixty-one million, six hundred ninety-three thousand, six hundred six".