61796161 has 8 divisors (see below), whose sum is σ = 70671744. Its totient is φ = 52932480.

The previous prime is 61796131. The next prime is 61796167. The reversal of 61796161 is 16169716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61796161 - 2¹¹ = 61794113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61796161.

It is not an unprimeable number, because it can be changed into a prime (61796167) 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, 18801 + ... + 21841.

It is an arithmetic number, because the mean of its divisors is an integer number (8833968).

Almost surely, 2^61796161 is an apocalyptic number.

It is an amenable number.

61796161 is a deficient number, since it is larger than the sum of its proper divisors (8875583).

61796161 is a wasteful number, since it uses less digits than its factorization.

61796161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951.

The product of its digits is 13608, while the sum is 37.

The square root of 61796161 is about 7861.0534281354. The cubic root of 61796161 is about 395.3549360028.

The spelling of 61796161 in words is "sixty-one million, seven hundred ninety-six thousand, one hundred sixty-one".