71680162743 has 54 divisors (see below), whose sum is σ = 119990232024. Its totient is φ = 40393007424.

The previous prime is 71680162727. The next prime is 71680162759. The reversal of 71680162743 is 34726108617.

71680162743 is a `hidden beast` number, since 7 + 16 + 8 + 0 + 1 + 627 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (71680162727) and next prime (71680162759).

It is not a de Polignac number, because 71680162743 - 2⁴ = 71680162727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71680162783) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 189129528 + ... + 189129906.

Almost surely, 2^71680162743 is an apocalyptic number.

71680162743 is a deficient number, since it is larger than the sum of its proper divisors (48310069281).

71680162743 is an frugal number, since it uses more digits than its factorization.

71680162743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 71680162743 in words is "seventy-one billion, six hundred eighty million, one hundred sixty-two thousand, seven hundred forty-three".