71650341378 has 48 divisors (see below), whose sum is σ = 193548977856. Its totient is φ = 18610477920.

The previous prime is 71650341331. The next prime is 71650341397. The reversal of 71650341378 is 87314305617.

71650341378 is a `hidden beast` number, since 7 + 1 + 6 + 503 + 4 + 137 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25846501 + ... + 25849272.

It is an arithmetic number, because the mean of its divisors is an integer number (4032270372).

Almost surely, 2^71650341378 is an apocalyptic number.

71650341378 is an abundant number, since it is smaller than the sum of its proper divisors (121898636478).

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

71650341378 is a wasteful number, since it uses less digits than its factorization.

71650341378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51695799 (or 51695796 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 71650341378 in words is "seventy-one billion, six hundred fifty million, three hundred forty-one thousand, three hundred seventy-eight".