71610421630 has 16 divisors (see below), whose sum is σ = 140616828144. Its totient is φ = 26040153280.

The previous prime is 71610421627. The next prime is 71610421681. The reversal of 71610421630 is 3612401617.

It is a junction number, because it is equal to n+sod(n) for n = 71610421592 and 71610421601.

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, 325501807 + ... + 325502026.

It is an arithmetic number, because the mean of its divisors is an integer number (8788551759).

Almost surely, 2^71610421630 is an apocalyptic number.

71610421630 is a deficient number, since it is larger than the sum of its proper divisors (69006406514).

71610421630 is a wasteful number, since it uses less digits than its factorization.

71610421630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651003851.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 71610421630 in words is "seventy-one billion, six hundred ten million, four hundred twenty-one thousand, six hundred thirty".