1537275782016 has 192 divisors, whose sum is σ = 4766668255440. Its totient is φ = 472738406400.

The previous prime is 1537275781999. The next prime is 1537275782023. The reversal of 1537275782016 is 6102875727351.

1537275782016 is a `hidden beast` number, since 1 + 5 + 37 + 2 + 7 + 578 + 20 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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, 27093196 + ... + 27149876.

Almost surely, 2^{1537275782016} is an apocalyptic number.

1537275782016 is a gapful number since it is divisible by the number (16) 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 1537275782016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383334127720).

1537275782016 is an abundant number, since it is smaller than the sum of its proper divisors (3229392473424).

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

1537275782016 is a wasteful number, since it uses less digits than its factorization.

1537275782016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58525 (or 58510 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 1537275782016 in words is "one trillion, five hundred thirty-seven billion, two hundred seventy-five million, seven hundred eighty-two thousand, sixteen".