1662671350 has 12 divisors (see below), whose sum is σ = 3092568804. Its totient is φ = 665068520.

The previous prime is 1662671317. The next prime is 1662671363. The reversal of 1662671350 is 531762661.

It is a super-4 number, since 4×1662671350⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16626664 + ... + 16626763.

It is an arithmetic number, because the mean of its divisors is an integer number (257714067).

Almost surely, 2^1662671350 is an apocalyptic number.

1662671350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1662671350 is a deficient number, since it is larger than the sum of its proper divisors (1429897454).

1662671350 is a wasteful number, since it uses less digits than its factorization.

1662671350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33253439 (or 33253434 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1662671350 is about 40775.8672501272. The cubic root of 1662671350 is about 1184.6829491187.

It can be divided in two parts, 166 and 2671350, that added together give a triangular number (2671516 = T₂₃₁₁).

The spelling of 1662671350 in words is "one billion, six hundred sixty-two million, six hundred seventy-one thousand, three hundred fifty".