1951167662148 has 12 divisors (see below), whose sum is σ = 4552724545040. Its totient is φ = 650389220712.

The previous prime is 1951167662117. The next prime is 1951167662153. The reversal of 1951167662148 is 8412667611591.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81298652578 + ... + 81298652601.

Almost surely, 2^{1951167662148} is an apocalyptic number.

It is an amenable number.

1951167662148 is an abundant number, since it is smaller than the sum of its proper divisors (2601556882892).

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

1951167662148 is a wasteful number, since it uses less digits than its factorization.

1951167662148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162597305186 (or 162597305184 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The spelling of 1951167662148 in words is "one trillion, nine hundred fifty-one billion, one hundred sixty-seven million, six hundred sixty-two thousand, one hundred forty-eight".