1687922130 has 32 divisors (see below), whose sum is σ = 4059103104. Its totient is φ = 449213696.

The previous prime is 1687922099. The next prime is 1687922149. The reversal of 1687922130 is 312297861.

It is a super-2 number, since 2×1687922130² = 5698162233887473800, which contains 22 as substring.

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, 40839 + ... + 71018.

It is an arithmetic number, because the mean of its divisors is an integer number (126846972).

Almost surely, 2^1687922130 is an apocalyptic number.

1687922130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1687922130 is an abundant number, since it is smaller than the sum of its proper divisors (2371180974).

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

1687922130 is a wasteful number, since it uses less digits than its factorization.

1687922130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112370.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1687922130 is about 41084.3294943461. The cubic root of 1687922130 is about 1190.6500532338.

The spelling of 1687922130 in words is "one billion, six hundred eighty-seven million, nine hundred twenty-two thousand, one hundred thirty".