1667958162156 has 180 divisors, whose sum is σ = 5150823350904. Its totient is φ = 466561555200.

The previous prime is 1667958162137. The next prime is 1667958162179. The reversal of 1667958162156 is 6512618597661.

It is a junction number, because it is equal to n+sod(n) for n = 1667958162093 and 1667958162102.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 782305 + ... + 1986936.

Almost surely, 2^{1667958162156} is an apocalyptic number.

It is an amenable number.

1667958162156 is an abundant number, since it is smaller than the sum of its proper divisors (3482865188748).

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

1667958162156 is a wasteful number, since it uses less digits than its factorization.

1667958162156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769294 (or 2769270 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 1667958162156 in words is "one trillion, six hundred sixty-seven billion, nine hundred fifty-eight million, one hundred sixty-two thousand, one hundred fifty-six".