1993163534 has 8 divisors (see below), whose sum is σ = 3011254680. Its totient is φ = 989411976.

The previous prime is 1993163531. The next prime is 1993163573. The reversal of 1993163534 is 4353613991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993163531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584549 + ... + 3585104.

It is an arithmetic number, because the mean of its divisors is an integer number (376406835).

Almost surely, 2^1993163534 is an apocalyptic number.

1993163534 is a deficient number, since it is larger than the sum of its proper divisors (1018091146).

1993163534 is a wasteful number, since it uses less digits than its factorization.

1993163534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169794.

The product of its digits is 262440, while the sum is 44.

The square root of 1993163534 is about 44644.8601072957. The cubic root of 1993163534 is about 1258.4838431763.

The spelling of 1993163534 in words is "one billion, nine hundred ninety-three million, one hundred sixty-three thousand, five hundred thirty-four".