1680537462 has 16 divisors (see below), whose sum is σ = 3424492080. Its totient is φ = 549609632.

The previous prime is 1680537457. The next prime is 1680537487. The reversal of 1680537462 is 2647350861.

It is a super-2 number, since 2×1680537462² = 5648412322370802888, which contains 22 as substring.

It is a congruent number.

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, 2642037 + ... + 2642672.

It is an arithmetic number, because the mean of its divisors is an integer number (214030755).

Almost surely, 2^1680537462 is an apocalyptic number.

1680537462 is an abundant number, since it is smaller than the sum of its proper divisors (1743954618).

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

1680537462 is a wasteful number, since it uses less digits than its factorization.

1680537462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284767.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1680537462 is about 40994.3589046103. The cubic root of 1680537462 is about 1188.9111481545.

The spelling of 1680537462 in words is "one billion, six hundred eighty million, five hundred thirty-seven thousand, four hundred sixty-two".