71461664748 has 24 divisors (see below), whose sum is σ = 185270982960. Its totient is φ = 23820554880.

The previous prime is 71461664713. The next prime is 71461664809. The reversal of 71461664748 is 84746616417.

It is a happy number.

71461664748 is a `hidden beast` number, since 7 + 1 + 4 + 6 + 166 + 474 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 71461664694 and 71461664703.

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, 330840933 + ... + 330841148.

It is an arithmetic number, because the mean of its divisors is an integer number (7719624290).

Almost surely, 2^71461664748 is an apocalyptic number.

It is an amenable number.

71461664748 is an abundant number, since it is smaller than the sum of its proper divisors (113809318212).

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

71461664748 is a wasteful number, since it uses less digits than its factorization.

71461664748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661682094 (or 661682086 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 71461664748 in words is "seventy-one billion, four hundred sixty-one million, six hundred sixty-four thousand, seven hundred forty-eight".