1692968187768 has 128 divisors (see below), whose sum is σ = 4972868570880. Its totient is φ = 473508541440.

The previous prime is 1692968187763. The next prime is 1692968187791. The reversal of 1692968187768 is 8677818692961.

It is a happy number.

It is a super-2 number, since 2×1692968187768² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 1692968187693 and 1692968187702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1692968187761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44435655 + ... + 44473737.

It is an arithmetic number, because the mean of its divisors is an integer number (38850535710).

Almost surely, 2^{1692968187768} is an apocalyptic number.

It is an amenable number.

1692968187768 is an abundant number, since it is smaller than the sum of its proper divisors (3279900383112).

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

1692968187768 is a wasteful number, since it uses less digits than its factorization.

1692968187768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51069 (or 51065 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 78.

The spelling of 1692968187768 in words is "one trillion, six hundred ninety-two billion, nine hundred sixty-eight million, one hundred eighty-seven thousand, seven hundred sixty-eight".