166470463 has 2 divisors, whose sum is σ = 166470464. Its totient is φ = 166470462.

The previous prime is 166470449. The next prime is 166470487. The reversal of 166470463 is 364074661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166470463 - 2¹³ = 166462271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166470263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83235231 + 83235232.

It is an arithmetic number, because the mean of its divisors is an integer number (83235232).

Almost surely, 2^166470463 is an apocalyptic number.

166470463 is a deficient number, since it is larger than the sum of its proper divisors (1).

166470463 is an equidigital number, since it uses as much as digits as its factorization.

166470463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 166470463 is about 12902.3433142976. The cubic root of 166470463 is about 550.1051732755.

It can be divided in two parts, 1664 and 70463, that added together give a palindrome (72127).

The spelling of 166470463 in words is "one hundred sixty-six million, four hundred seventy thousand, four hundred sixty-three".