1906857296736 has 96 divisors (see below), whose sum is σ = 5798936037888. Its totient is φ = 537353118720.

The previous prime is 1906857296699. The next prime is 1906857296737. The reversal of 1906857296736 is 6376927586091.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1906857296736² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906857296737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19386460 + ... + 19484571.

It is an arithmetic number, because the mean of its divisors is an integer number (60405583728).

Almost surely, 2^{1906857296736} is an apocalyptic number.

1906857296736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1906857296736 is an abundant number, since it is smaller than the sum of its proper divisors (3892078741152).

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

1906857296736 is a wasteful number, since it uses less digits than its factorization.

1906857296736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38871124 (or 38871116 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 1906857296736 in words is "one trillion, nine hundred six billion, eight hundred fifty-seven million, two hundred ninety-six thousand, seven hundred thirty-six".