61910607146 has 8 divisors (see below), whose sum is σ = 94388302884. Its totient is φ = 30447839520.

The previous prime is 61910607119. The next prime is 61910607163. The reversal of 61910607146 is 64170601916.

It can be written as a sum of positive squares in 2 ways, for example, as 49900858225 + 12009748921 = 223385^2 + 109589^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253731875 + ... + 253732118.

Almost surely, 2^61910607146 is an apocalyptic number.

61910607146 is a deficient number, since it is larger than the sum of its proper divisors (32477695738).

61910607146 is a wasteful number, since it uses less digits than its factorization.

61910607146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507464056.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 61910607146 in words is "sixty-one billion, nine hundred ten million, six hundred seven thousand, one hundred forty-six".