149868663 has 16 divisors (see below), whose sum is σ = 235739136. Its totient is φ = 82876320.

The previous prime is 149868659. The next prime is 149868671. The reversal of 149868663 is 366868941.

It is not a de Polignac number, because 149868663 - 2² = 149868659 is a prime.

It is a super-2 number, since 2×149868663² = 44921232298815138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149863663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114456 + ... + 115757.

It is an arithmetic number, because the mean of its divisors is an integer number (14733696).

Almost surely, 2^149868663 is an apocalyptic number.

149868663 is a deficient number, since it is larger than the sum of its proper divisors (85870473).

149868663 is a wasteful number, since it uses less digits than its factorization.

149868663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230254.

The product of its digits is 1492992, while the sum is 51.

The square root of 149868663 is about 12242.0857291558. The cubic root of 149868663 is about 531.1741655444.

The spelling of 149868663 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, six hundred sixty-three".