61801008 has 40 divisors (see below), whose sum is σ = 160275456. Its totient is φ = 20520000.

The previous prime is 61800983. The next prime is 61801031. The reversal of 61801008 is 80010816.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10633 + ... + 15383.

Almost surely, 2^61801008 is an apocalyptic number.

It is an amenable number.

61801008 is an abundant number, since it is smaller than the sum of its proper divisors (98474448).

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

61801008 is a wasteful number, since it uses less digits than its factorization.

61801008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 61801008 is about 7861.3617141053. The cubic root of 61801008 is about 395.3652723260.

The spelling of 61801008 in words is "sixty-one million, eight hundred one thousand, eight".