149163651 has 24 divisors (see below), whose sum is σ = 265181280. Its totient is φ = 78679296.

The previous prime is 149163649. The next prime is 149163653. The reversal of 149163651 is 156361941.

149163651 is a `hidden beast` number, since 14 + 9 + 1 + 636 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (149163649) and next prime (149163653).

It is not a de Polignac number, because 149163651 - 2¹ = 149163649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149163653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90246 + ... + 91883.

It is an arithmetic number, because the mean of its divisors is an integer number (11049220).

Almost surely, 2^149163651 is an apocalyptic number.

149163651 is a deficient number, since it is larger than the sum of its proper divisors (116017629).

149163651 is a wasteful number, since it uses less digits than its factorization.

149163651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182155 (or 182152 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 149163651 is about 12213.2571822590. The cubic root of 149163651 is about 530.3399397435.

The spelling of 149163651 in words is "one hundred forty-nine million, one hundred sixty-three thousand, six hundred fifty-one".