12451662157 has 8 divisors (see below), whose sum is σ = 13914940032. Its totient is φ = 11043602400.

The previous prime is 12451662143. The next prime is 12451662161. The reversal of 12451662157 is 75126615421.

12451662157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12451662157 - 2¹⁵ = 12451629389 is a prime.

It is a super-3 number, since 3×12451662157³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451662137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13804053 + ... + 13804954.

It is an arithmetic number, because the mean of its divisors is an integer number (1739367504).

Almost surely, 2^12451662157 is an apocalyptic number.

It is an amenable number.

12451662157 is a deficient number, since it is larger than the sum of its proper divisors (1463277875).

12451662157 is a wasteful number, since it uses less digits than its factorization.

12451662157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27609059.

The product of its digits is 100800, while the sum is 40.

The spelling of 12451662157 in words is "twelve billion, four hundred fifty-one million, six hundred sixty-two thousand, one hundred fifty-seven".