15460066 has 4 divisors (see below), whose sum is σ = 23190102. Its totient is φ = 7730032.

The previous prime is 15460057. The next prime is 15460069. The reversal of 15460066 is 66006451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66006451 = 7 ⋅9429493.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 4431025 = 3321^2 + 2105^2 .

It is not an unprimeable number, because it can be changed into a prime (15460069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865015 + ... + 3865018.

Almost surely, 2^15460066 is an apocalyptic number.

15460066 is a deficient number, since it is larger than the sum of its proper divisors (7730036).

15460066 is an equidigital number, since it uses as much as digits as its factorization.

15460066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730035.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 15460066 is about 3931.9290431034. The cubic root of 15460066 is about 249.1172385981.

The spelling of 15460066 in words is "fifteen million, four hundred sixty thousand, sixty-six".