1890916653740 has 24 divisors (see below), whose sum is σ = 3971016524160. Its totient is φ = 756349223168.

The previous prime is 1890916653709. The next prime is 1890916653799. The reversal of 1890916653740 is 473566190981.

It is a self number, because there is not a number n which added to its sum of digits gives 1890916653740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182300 + ... + 1953219.

It is an arithmetic number, because the mean of its divisors is an integer number (165459021840).

Almost surely, 2^{1890916653740} is an apocalyptic number.

1890916653740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1890916653740 is an abundant number, since it is smaller than the sum of its proper divisors (2080099870420).

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

1890916653740 is a wasteful number, since it uses less digits than its factorization.

1890916653740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179801 (or 2179799 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 1890916653740 in words is "one trillion, eight hundred ninety billion, nine hundred sixteen million, six hundred fifty-three thousand, seven hundred forty".