16437641740 has 96 divisors (see below), whose sum is σ = 37651521600. Its totient is φ = 5991791616.

The previous prime is 16437641729. The next prime is 16437641761. The reversal of 16437641740 is 4714673461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9708334 + ... + 9710026.

It is an arithmetic number, because the mean of its divisors is an integer number (392203350).

Almost surely, 2^16437641740 is an apocalyptic number.

16437641740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16437641740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18825760800).

16437641740 is an abundant number, since it is smaller than the sum of its proper divisors (21213879860).

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

16437641740 is a wasteful number, since it uses less digits than its factorization.

16437641740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

It can be divided in two parts, 164376 and 41740, that added together give a square (206116 = 454²).

The spelling of 16437641740 in words is "sixteen billion, four hundred thirty-seven million, six hundred forty-one thousand, seven hundred forty".