88166213461 has 2 divisors, whose sum is σ = 88166213462. Its totient is φ = 88166213460.

The previous prime is 88166213423. The next prime is 88166213479. The reversal of 88166213461 is 16431266188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82406314225 + 5759899236 = 287065^2 + 75894^2 .

It is a cyclic number.

It is not a de Polignac number, because 88166213461 - 2¹⁵ = 88166180693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88166219461) by changing a digit.

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 as a sum of consecutive naturals, namely, 44083106730 + 44083106731.

It is an arithmetic number, because the mean of its divisors is an integer number (44083106731).

Almost surely, 2^88166213461 is an apocalyptic number.

It is an amenable number.

88166213461 is a deficient number, since it is larger than the sum of its proper divisors (1).

88166213461 is an equidigital number, since it uses as much as digits as its factorization.

88166213461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The spelling of 88166213461 in words is "eighty-eight billion, one hundred sixty-six million, two hundred thirteen thousand, four hundred sixty-one".