151663394 has 8 divisors (see below), whose sum is σ = 231351120. Its totient is φ = 74546356.

The previous prime is 151663381. The next prime is 151663397. The reversal of 151663394 is 493366151.

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

It is not an unprimeable number, because it can be changed into a prime (151663397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642524 + ... + 642759.

It is an arithmetic number, because the mean of its divisors is an integer number (28918890).

Almost surely, 2^151663394 is an apocalyptic number.

151663394 is a deficient number, since it is larger than the sum of its proper divisors (79687726).

151663394 is a wasteful number, since it uses less digits than its factorization.

151663394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285344.

The product of its digits is 58320, while the sum is 38.

The square root of 151663394 is about 12315.1692639606. The cubic root of 151663394 is about 533.2860912148.

The spelling of 151663394 in words is "one hundred fifty-one million, six hundred sixty-three thousand, three hundred ninety-four".