16537812948 has 72 divisors (see below), whose sum is σ = 43274256480. Its totient is φ = 5318967360.

The previous prime is 16537812901. The next prime is 16537812961. The reversal of 16537812948 is 84921873561.

16537812948 is a `hidden beast` number, since 1 + 6 + 537 + 8 + 12 + 94 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16537812894 and 16537812903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1886311 + ... + 1895057.

It is an arithmetic number, because the mean of its divisors is an integer number (601031340).

Almost surely, 2^16537812948 is an apocalyptic number.

16537812948 is a gapful number since it is divisible by the number (18) 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 16537812948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21637128240).

16537812948 is an abundant number, since it is smaller than the sum of its proper divisors (26736443532).

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

16537812948 is a wasteful number, since it uses less digits than its factorization.

16537812948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597 (or 10592 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 16537812948 in words is "sixteen billion, five hundred thirty-seven million, eight hundred twelve thousand, nine hundred forty-eight".