15452414066 has 4 divisors (see below), whose sum is σ = 23178621102. Its totient is φ = 7726207032.

The previous prime is 15452414063. The next prime is 15452414083. The reversal of 15452414066 is 66041425451.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11087037025 + 4365377041 = 105295^2 + 66071^2 .

It is a super-2 number, since 2×15452414066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15452414063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863103515 + ... + 3863103518.

Almost surely, 2^15452414066 is an apocalyptic number.

15452414066 is a deficient number, since it is larger than the sum of its proper divisors (7726207036).

15452414066 is an equidigital number, since it uses as much as digits as its factorization.

15452414066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726207035.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 15452414066 in words is "fifteen billion, four hundred fifty-two million, four hundred fourteen thousand, sixty-six".