1690040055767 has 12 divisors (see below), whose sum is σ = 1965986199720. Its totient is φ = 1448590113936.

The previous prime is 1690040055751. The next prime is 1690040055889. The reversal of 1690040055767 is 7675500400961.

It is not a de Polignac number, because 1690040055767 - 2⁴ = 1690040055751 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 (1690040055667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8313209 + ... + 8514077.

It is an arithmetic number, because the mean of its divisors is an integer number (163832183310).

Almost surely, 2^{1690040055767} is an apocalyptic number.

1690040055767 is a deficient number, since it is larger than the sum of its proper divisors (275946143953).

1690040055767 is a wasteful number, since it uses less digits than its factorization.

1690040055767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372590 (or 372583 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 1690040055767 in words is "one trillion, six hundred ninety billion, forty million, fifty-five thousand, seven hundred sixty-seven".