1214707161672 has 72 divisors (see below), whose sum is σ = 3416190470550. Its totient is φ = 404902369728.

The previous prime is 1214707161623. The next prime is 1214707161719. The reversal of 1214707161672 is 2761617074121.

1214707161672 is a `hidden beast` number, since 1 + 2 + 1 + 470 + 7 + 16 + 167 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 705005405316 + 509701756356 = 839646^2 + 713934^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11518797 + ... + 11623772.

Almost surely, 2^{1214707161672} is an apocalyptic number.

1214707161672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1214707161672 is an abundant number, since it is smaller than the sum of its proper divisors (2201483308878).

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

1214707161672 is an frugal number, since it uses more digits than its factorization.

1214707161672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142599 (or 23142574 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The spelling of 1214707161672 in words is "one trillion, two hundred fourteen billion, seven hundred seven million, one hundred sixty-one thousand, six hundred seventy-two".