61164322 has 4 divisors (see below), whose sum is σ = 91746486. Its totient is φ = 30582160.

The previous prime is 61164319. The next prime is 61164329. The reversal of 61164322 is 22346116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46117681 + 15046641 = 6791^2 + 3879^2 .

It is not an unprimeable number, because it can be changed into a prime (61164329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15291079 + ... + 15291082.

Almost surely, 2^61164322 is an apocalyptic number.

61164322 is a deficient number, since it is larger than the sum of its proper divisors (30582164).

61164322 is a wasteful number, since it uses less digits than its factorization.

61164322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582163.

The product of its digits is 1728, while the sum is 25.

The square root of 61164322 is about 7820.7622390660. The cubic root of 61164322 is about 394.0028730240.

The spelling of 61164322 in words is "sixty-one million, one hundred sixty-four thousand, three hundred twenty-two".