4164660646 has 32 divisors (see below), whose sum is σ = 6938431488. Its totient is φ = 1864748160.

The previous prime is 4164660641. The next prime is 4164660667. The reversal of 4164660646 is 6460664614.

It is a super-2 number, since 2×4164660646² = 34688796592682274632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4164660641) 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 in 15 ways as a sum of consecutive naturals, for example, 135421 + ... + 163303.

It is an arithmetic number, because the mean of its divisors is an integer number (216825984).

Almost surely, 2^4164660646 is an apocalyptic number.

4164660646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4164660646 is a deficient number, since it is larger than the sum of its proper divisors (2773770842).

4164660646 is a wasteful number, since it uses less digits than its factorization.

4164660646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 4164660646 is about 64534.1819968302. The cubic root of 4164660646 is about 1608.8906940012.

The spelling of 4164660646 in words is "four billion, one hundred sixty-four million, six hundred sixty thousand, six hundred forty-six".