1671265002156 has 24 divisors (see below), whose sum is σ = 3900302521584. Its totient is φ = 556990593600.

The previous prime is 1671265002019. The next prime is 1671265002161. The reversal of 1671265002156 is 6512005621761.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12146295 + ... + 12283118.

It is an arithmetic number, because the mean of its divisors is an integer number (162512605066).

Almost surely, 2^{1671265002156} is an apocalyptic number.

It is an amenable number.

1671265002156 is an abundant number, since it is smaller than the sum of its proper divisors (2229037519428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671265002156 is a wasteful number, since it uses less digits than its factorization.

1671265002156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24435121 (or 24435119 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 1671265002156 in words is "one trillion, six hundred seventy-one billion, two hundred sixty-five million, two thousand, one hundred fifty-six".