16466312446 has 4 divisors (see below), whose sum is σ = 24699468672. Its totient is φ = 8233156222.

The previous prime is 16466312417. The next prime is 16466312461. The reversal of 16466312446 is 64421366461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64421366461 = 33617 ⋅1916333.

It is a super-2 number, since 2×16466312446² (a number of 21 digits) contains 22 as substring.

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, 4116578110 + ... + 4116578113.

It is an arithmetic number, because the mean of its divisors is an integer number (6174867168).

Almost surely, 2^16466312446 is an apocalyptic number.

16466312446 is a deficient number, since it is larger than the sum of its proper divisors (8233156226).

16466312446 is an equidigital number, since it uses as much as digits as its factorization.

16466312446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233156225.

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

The spelling of 16466312446 in words is "sixteen billion, four hundred sixty-six million, three hundred twelve thousand, four hundred forty-six".