2147669667512 has 8 divisors (see below), whose sum is σ = 4026880626600. Its totient is φ = 1073834833752.

The previous prime is 2147669667511. The next prime is 2147669667599. The reversal of 2147669667512 is 2157669667412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2147669667512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147669667511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134229354212 + ... + 134229354227.

It is an arithmetic number, because the mean of its divisors is an integer number (503360078325).

Almost surely, 2^{2147669667512} is an apocalyptic number.

It is an amenable number.

2147669667512 is a deficient number, since it is larger than the sum of its proper divisors (1879210959088).

2147669667512 is a wasteful number, since it uses less digits than its factorization.

2147669667512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268458708445 (or 268458708441 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 2147669667512 in words is "two trillion, one hundred forty-seven billion, six hundred sixty-nine million, six hundred sixty-seven thousand, five hundred twelve".