71077553181016 has 32 divisors (see below), whose sum is σ = 133552671397200. Its totient is φ = 35463519221760.

The previous prime is 71077553180983. The next prime is 71077553181023. The reversal of 71077553181016 is 61018135577017.

It is a happy number.

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, 48109120 + ... + 49564528.

Almost surely, 2^{71077553181016} is an apocalyptic number.

It is an amenable number.

71077553181016 is a deficient number, since it is larger than the sum of its proper divisors (62475118216184).

71077553181016 is a wasteful number, since it uses less digits than its factorization.

71077553181016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468339 (or 1468335 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 52.

The spelling of 71077553181016 in words is "seventy-one trillion, seventy-seven billion, five hundred fifty-three million, one hundred eighty-one thousand, sixteen".