61158822 has 8 divisors (see below), whose sum is σ = 122317656. Its totient is φ = 20386272.

The previous prime is 61158821. The next prime is 61158827. The reversal of 61158822 is 22885116.

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

61158822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61158821) 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, 5096563 + ... + 5096574.

It is an arithmetic number, because the mean of its divisors is an integer number (15289707).

Almost surely, 2^61158822 is an apocalyptic number.

61158822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61158822 is a wasteful number, since it uses less digits than its factorization.

61158822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10193142.

The product of its digits is 7680, while the sum is 33.

The square root of 61158822 is about 7820.4106030310. The cubic root of 61158822 is about 393.9910628668.

The spelling of 61158822 in words is "sixty-one million, one hundred fifty-eight thousand, eight hundred twenty-two".