16205151534 has 32 divisors (see below), whose sum is σ = 38076441984. Its totient is φ = 4532909280.

The previous prime is 16205151533. The next prime is 16205151583. The reversal of 16205151534 is 43515150261.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 16205151495 and 16205151504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205151533) 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, 9442704 + ... + 9444419.

It is an arithmetic number, because the mean of its divisors is an integer number (1189888812).

Almost surely, 2^16205151534 is an apocalyptic number.

16205151534 is an abundant number, since it is smaller than the sum of its proper divisors (21871290450).

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

16205151534 is a wasteful number, since it uses less digits than its factorization.

16205151534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887152.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 16205151534 in words is "sixteen billion, two hundred five million, one hundred fifty-one thousand, five hundred thirty-four".