151649563 has 8 divisors (see below), whose sum is σ = 164001600. Its totient is φ = 139395648.

The previous prime is 151649521. The next prime is 151649573. The reversal of 151649563 is 365946151.

It is a happy number.

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 151649563 - 2¹⁷ = 151518491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151649513) 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, 21298 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (20500200).

Almost surely, 2^151649563 is an apocalyptic number.

151649563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

151649563 is a deficient number, since it is larger than the sum of its proper divisors (12352037).

151649563 is a wasteful number, since it uses less digits than its factorization.

151649563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49061.

The product of its digits is 97200, while the sum is 40.

The square root of 151649563 is about 12314.6077079215. The cubic root of 151649563 is about 533.2698796470.

The spelling of 151649563 in words is "one hundred fifty-one million, six hundred forty-nine thousand, five hundred sixty-three".