61196494142 has 16 divisors (see below), whose sum is σ = 104913988992. Its totient is φ = 26225640600.

The previous prime is 61196494133. The next prime is 61196494157. The reversal of 61196494142 is 24149469116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171713 + ... + 389715.

It is an arithmetic number, because the mean of its divisors is an integer number (6557124312).

Almost surely, 2^61196494142 is an apocalyptic number.

61196494142 is a deficient number, since it is larger than the sum of its proper divisors (43717494850).

61196494142 is a wasteful number, since it uses less digits than its factorization.

61196494142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238063.

The product of its digits is 373248, while the sum is 47.

The spelling of 61196494142 in words is "sixty-one billion, one hundred ninety-six million, four hundred ninety-four thousand, one hundred forty-two".