1685370054 has 32 divisors (see below), whose sum is σ = 3494244096. Its totient is φ = 541490400.

The previous prime is 1685370047. The next prime is 1685370101. The reversal of 1685370054 is 4500735861.

It is a junction number, because it is equal to n+sod(n) for n = 1685369994 and 1685370021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11722 + ... + 59229.

It is an arithmetic number, because the mean of its divisors is an integer number (109195128).

Almost surely, 2^1685370054 is an apocalyptic number.

1685370054 is an abundant number, since it is smaller than the sum of its proper divisors (1808874042).

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

1685370054 is a wasteful number, since it uses less digits than its factorization.

1685370054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71100.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1685370054 is about 41053.2587500676. The cubic root of 1685370054 is about 1190.0496775627.

The spelling of 1685370054 in words is "one billion, six hundred eighty-five million, three hundred seventy thousand, fifty-four".