61583023194 has 32 divisors (see below), whose sum is σ = 153557669376. Its totient is φ = 15995590320.

The previous prime is 61583023171. The next prime is 61583023213. The reversal of 61583023194 is 49132038516.

61583023194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66647832 + ... + 66648755.

It is an arithmetic number, because the mean of its divisors is an integer number (4798677168).

Almost surely, 2^61583023194 is an apocalyptic number.

61583023194 is an abundant number, since it is smaller than the sum of its proper divisors (91974646182).

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

61583023194 is a wasteful number, since it uses less digits than its factorization.

61583023194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133296610.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 61583023194 in words is "sixty-one billion, five hundred eighty-three million, twenty-three thousand, one hundred ninety-four".