16553140534 has 16 divisors (see below), whose sum is σ = 28546737408. Its totient is φ = 7051721832.

The previous prime is 16553140531. The next prime is 16553140543. The reversal of 16553140534 is 43504135561.

It is a junction number, because it is equal to n+sod(n) for n = 16553140493 and 16553140502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16553140531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3537684 + ... + 3542359.

It is an arithmetic number, because the mean of its divisors is an integer number (1784171088).

Almost surely, 2^16553140534 is an apocalyptic number.

16553140534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16553140534 is a deficient number, since it is larger than the sum of its proper divisors (11993596874).

16553140534 is a wasteful number, since it uses less digits than its factorization.

16553140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080219.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 16553140534 in words is "sixteen billion, five hundred fifty-three million, one hundred forty thousand, five hundred thirty-four".