71622554152 has 32 divisors (see below), whose sum is σ = 136517289120. Its totient is φ = 35218146240.

The previous prime is 71622554141. The next prime is 71622554161. The reversal of 71622554152 is 25145522617.

It is a happy 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, 4416603 + ... + 4432789.

It is an arithmetic number, because the mean of its divisors is an integer number (4266165285).

Almost surely, 2^71622554152 is an apocalyptic number.

It is an amenable number.

71622554152 is a deficient number, since it is larger than the sum of its proper divisors (64894734968).

71622554152 is a wasteful number, since it uses less digits than its factorization.

71622554152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25321 (or 25317 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The spelling of 71622554152 in words is "seventy-one billion, six hundred twenty-two million, five hundred fifty-four thousand, one hundred fifty-two".