16541540274 has 32 divisors (see below), whose sum is σ = 37948778496. Its totient is φ = 4708711440.

The previous prime is 16541540261. The next prime is 16541540291. The reversal of 16541540274 is 47204514561.

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, 715272 + ... + 738035.

It is an arithmetic number, because the mean of its divisors is an integer number (1185899328).

Almost surely, 2^16541540274 is an apocalyptic number.

16541540274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16541540274 is an abundant number, since it is smaller than the sum of its proper divisors (21407238222).

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

16541540274 is a wasteful number, since it uses less digits than its factorization.

16541540274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453590.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 16541540274 in words is "sixteen billion, five hundred forty-one million, five hundred forty thousand, two hundred seventy-four".