27146995664670 has 96 divisors (see below), whose sum is σ = 83267466946560. Its totient is φ = 6004865396160.

The previous prime is 27146995664669. The next prime is 27146995664681. The reversal of 27146995664670 is 7646659964172.

27146995664670 is a `hidden beast` number, since 2 + 7 + 1 + 469 + 9 + 56 + 6 + 46 + 70 = 666.

It is a super-2 number, since 2×27146995664670² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694988040 + ... + 695027099.

It is an arithmetic number, because the mean of its divisors is an integer number (867369447360).

Almost surely, 2^{27146995664670} is an apocalyptic number.

27146995664670 is an abundant number, since it is smaller than the sum of its proper divisors (56120471281890).

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

27146995664670 is a wasteful number, since it uses less digits than its factorization.

27146995664670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390015190 (or 1390015187 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 27146995664670 in words is "twenty-seven trillion, one hundred forty-six billion, nine hundred ninety-five million, six hundred sixty-four thousand, six hundred seventy".