16657531134244 has 72 divisors (see below), whose sum is σ = 39435884366144. Its totient is φ = 5990720472000.

The previous prime is 16657531134199. The next prime is 16657531134263. The reversal of 16657531134244 is 44243113575661.

It is a super-2 number, since 2×16657531134244² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 16657531134191 and 16657531134200.

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, 189056982 + ... + 189145069.

Almost surely, 2^{16657531134244} is an apocalyptic number.

16657531134244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16657531134244 is an abundant number, since it is smaller than the sum of its proper divisors (22778353231900).

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

16657531134244 is a wasteful number, since it uses less digits than its factorization.

16657531134244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378202097 (or 378202084 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 16657531134244 in words is "sixteen trillion, six hundred fifty-seven billion, five hundred thirty-one million, one hundred thirty-four thousand, two hundred forty-four".