163400742 has 12 divisors (see below), whose sum is σ = 354034980. Its totient is φ = 54466908.

The previous prime is 163400737. The next prime is 163400767. The reversal of 163400742 is 247004361.

163400742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4538892 + ... + 4538927.

It is an arithmetic number, because the mean of its divisors is an integer number (29502915).

Almost surely, 2^163400742 is an apocalyptic number.

163400742 is an abundant number, since it is smaller than the sum of its proper divisors (190634238).

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

163400742 is a wasteful number, since it uses less digits than its factorization.

163400742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077827 (or 9077824 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 163400742 is about 12782.8299683599. The cubic root of 163400742 is about 546.7028544522.

The spelling of 163400742 in words is "one hundred sixty-three million, four hundred thousand, seven hundred forty-two".