16858154084 has 6 divisors (see below), whose sum is σ = 29501769654. Its totient is φ = 8429077040.

The previous prime is 16858154059. The next prime is 16858154099. The reversal of 16858154084 is 48045185861.

It can be written as a sum of positive squares in only one way, i.e., 10941160000 + 5916994084 = 104600^2 + 76922^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107269257 + ... + 2107269264.

It is an arithmetic number, because the mean of its divisors is an integer number (4916961609).

Almost surely, 2^16858154084 is an apocalyptic number.

It is an amenable number.

16858154084 is a deficient number, since it is larger than the sum of its proper divisors (12643615570).

16858154084 is a wasteful number, since it uses less digits than its factorization.

16858154084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214538525 (or 4214538523 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 16858154084 in words is "sixteen billion, eight hundred fifty-eight million, one hundred fifty-four thousand, eighty-four".