46664026221646 has 4 divisors (see below), whose sum is σ = 69996039332472. Its totient is φ = 23332013110822.

The previous prime is 46664026221629. The next prime is 46664026221677. The reversal of 46664026221646 is 64612262046664.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666006555410 + ... + 11666006555413.

It is an arithmetic number, because the mean of its divisors is an integer number (17499009833118).

Almost surely, 2^{46664026221646} is an apocalyptic number.

46664026221646 is a deficient number, since it is larger than the sum of its proper divisors (23332013110826).

46664026221646 is a wasteful number, since it uses less digits than its factorization.

46664026221646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332013110825.

The product of its (nonzero) digits is 23887872, while the sum is 55.

The spelling of 46664026221646 in words is "forty-six trillion, six hundred sixty-four billion, twenty-six million, two hundred twenty-one thousand, six hundred forty-six".