151666463 has 8 divisors (see below), whose sum is σ = 163672656. Its totient is φ = 139708800.

The previous prime is 151666423. The next prime is 151666511. The reversal of 151666463 is 364666151.

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 151666463 - 2⁶ = 151666399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151666423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5498 + ... + 18263.

It is an arithmetic number, because the mean of its divisors is an integer number (20459082).

Almost surely, 2^151666463 is an apocalyptic number.

151666463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

151666463 is a deficient number, since it is larger than the sum of its proper divisors (12006193).

151666463 is a wasteful number, since it uses less digits than its factorization.

151666463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265.

The product of its digits is 77760, while the sum is 38.

The square root of 151666463 is about 12315.2938657589. The cubic root of 151666463 is about 533.2896883121.

The spelling of 151666463 in words is "one hundred fifty-one million, six hundred sixty-six thousand, four hundred sixty-three".