1671768377351 has 16 divisors (see below), whose sum is σ = 1713689776128. Its totient is φ = 1629987861600.

The previous prime is 1671768377341. The next prime is 1671768377387. The reversal of 1671768377351 is 1537738671761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1671768377351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671768377341) 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, 59507030 + ... + 59535116.

It is an arithmetic number, because the mean of its divisors is an integer number (107105611008).

Almost surely, 2^{1671768377351} is an apocalyptic number.

1671768377351 is a deficient number, since it is larger than the sum of its proper divisors (41921398777).

1671768377351 is a wasteful number, since it uses less digits than its factorization.

1671768377351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30542.

The product of its digits is 31116960, while the sum is 62.

The spelling of 1671768377351 in words is "one trillion, six hundred seventy-one billion, seven hundred sixty-eight million, three hundred seventy-seven thousand, three hundred fifty-one".