2757667621016 has 96 divisors (see below), whose sum is σ = 6523213525920. Its totient is φ = 1069804116480.

The previous prime is 2757667620907. The next prime is 2757667621031. The reversal of 2757667621016 is 6101267667572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 705470 + ... + 2452146.

It is an arithmetic number, because the mean of its divisors is an integer number (67950140895).

Almost surely, 2^{2757667621016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2757667621016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3261606762960).

2757667621016 is an abundant number, since it is smaller than the sum of its proper divisors (3765545904904).

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

2757667621016 is a wasteful number, since it uses less digits than its factorization.

2757667621016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746945 (or 1746930 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 2757667621016 in words is "two trillion, seven hundred fifty-seven billion, six hundred sixty-seven million, six hundred twenty-one thousand, sixteen".