1671868701 has 8 divisors (see below), whose sum is σ = 2476842560. Its totient is φ = 1114579116.

The previous prime is 1671868697. The next prime is 1671868711. The reversal of 1671868701 is 1078681761.

It is a happy number.

It is not a de Polignac number, because 1671868701 - 2² = 1671868697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671868711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30960505 + ... + 30960558.

It is an arithmetic number, because the mean of its divisors is an integer number (309605320).

Almost surely, 2^1671868701 is an apocalyptic number.

It is an amenable number.

1671868701 is a deficient number, since it is larger than the sum of its proper divisors (804973859).

1671868701 is an equidigital number, since it uses as much as digits as its factorization.

1671868701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61921072 (or 61921066 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 1671868701 is about 40888.4910579982. The cubic root of 1671868701 is about 1186.8633590746.

The spelling of 1671868701 in words is "one billion, six hundred seventy-one million, eight hundred sixty-eight thousand, seven hundred one".