147768816 has 80 divisors (see below), whose sum is σ = 424417280. Its totient is φ = 43994880.

The previous prime is 147768809. The next prime is 147768839. The reversal of 147768816 is 618867741.

147768816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15525 + ... + 23163.

It is an arithmetic number, because the mean of its divisors is an integer number (5305216).

Almost surely, 2^147768816 is an apocalyptic number.

147768816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147768816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212208640).

147768816 is an abundant number, since it is smaller than the sum of its proper divisors (276648464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147768816 is a wasteful number, since it uses less digits than its factorization.

147768816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7688 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 147768816 is about 12156.0197433206. The cubic root of 147768816 is about 528.6816838004.

The spelling of 147768816 in words is "one hundred forty-seven million, seven hundred sixty-eight thousand, eight hundred sixteen".