61158801 has 16 divisors (see below), whose sum is σ = 89357760. Its totient is φ = 36899520.

The previous prime is 61158793. The next prime is 61158821. The reversal of 61158801 is 10885116.

It is a happy number.

61158801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61158801 - 2³ = 61158793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61158821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3511 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (5584860).

Almost surely, 2^61158801 is an apocalyptic number.

It is an amenable number.

61158801 is a deficient number, since it is larger than the sum of its proper divisors (28198959).

61158801 is a wasteful number, since it uses less digits than its factorization.

61158801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 61158801 is about 7820.4092603904. The cubic root of 61158801 is about 393.9910177722.

The spelling of 61158801 in words is "sixty-one million, one hundred fifty-eight thousand, eight hundred one".