16461946 has 4 divisors (see below), whose sum is σ = 24692922. Its totient is φ = 8230972.

The previous prime is 16461931. The next prime is 16461947. The reversal of 16461946 is 64916461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64916461 = 59 ⋅1100279.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 5313025 = 3339^2 + 2305^2 .

It is a super-2 number, since 2×16461946² = 541991332213832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16461947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115485 + ... + 4115488.

Almost surely, 2^16461946 is an apocalyptic number.

16461946 is a deficient number, since it is larger than the sum of its proper divisors (8230976).

16461946 is an equidigital number, since it uses as much as digits as its factorization.

16461946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230975.

The product of its digits is 31104, while the sum is 37.

The square root of 16461946 is about 4057.3323748493. The cubic root of 16461946 is about 254.3863032887.

The spelling of 16461946 in words is "sixteen million, four hundred sixty-one thousand, nine hundred forty-six".