706286881566 has 48 divisors (see below), whose sum is σ = 1809207784800. Its totient is φ = 194837759424.

The previous prime is 706286881561. The next prime is 706286881639. The reversal of 706286881566 is 665188682607.

706286881566 is a `hidden beast` number, since 7 + 0 + 6 + 2 + 8 + 68 + 8 + 1 + 566 = 666.

It is a super-2 number, since 2×706286881566² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706286881561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96642061 + ... + 96649368.

It is an arithmetic number, because the mean of its divisors is an integer number (37691828850).

Almost surely, 2^706286881566 is an apocalyptic number.

706286881566 is an abundant number, since it is smaller than the sum of its proper divisors (1102920903234).

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

706286881566 is a wasteful number, since it uses less digits than its factorization.

706286881566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193291473 (or 193291470 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 706286881566 in words is "seven hundred six billion, two hundred eighty-six million, eight hundred eighty-one thousand, five hundred sixty-six".