1679061380 has 12 divisors (see below), whose sum is σ = 3526028940. Its totient is φ = 671624544.

The previous prime is 1679061347. The next prime is 1679061409. The reversal of 1679061380 is 831609761.

It can be written as a sum of positive squares in 2 ways, for example, as 756360004 + 922701376 = 27502^2 + 30376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41976515 + ... + 41976554.

It is an arithmetic number, because the mean of its divisors is an integer number (293835745).

Almost surely, 2^1679061380 is an apocalyptic number.

1679061380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1679061380 is an abundant number, since it is smaller than the sum of its proper divisors (1846967560).

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

1679061380 is a wasteful number, since it uses less digits than its factorization.

1679061380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83953078 (or 83953076 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1679061380 is about 40976.3514725262. The cubic root of 1679061380 is about 1188.5629570859.

The spelling of 1679061380 in words is "one billion, six hundred seventy-nine million, sixty-one thousand, three hundred eighty".