1662076072 has 32 divisors (see below), whose sum is σ = 3393540000. Its totient is φ = 760148928.

The previous prime is 1662076069. The next prime is 1662076109. The reversal of 1662076072 is 2706702661.

It is a super-2 number, since 2×1662076072² = 5524993738229898368, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 184122 + ... + 192937.

It is an arithmetic number, because the mean of its divisors is an integer number (106048125).

Almost surely, 2^1662076072 is an apocalyptic number.

It is an amenable number.

1662076072 is an abundant number, since it is smaller than the sum of its proper divisors (1731463928).

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

1662076072 is a wasteful number, since it uses less digits than its factorization.

1662076072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377113 (or 377109 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1662076072 is about 40768.5672056304. The cubic root of 1662076072 is about 1184.5415501836.

The spelling of 1662076072 in words is "one billion, six hundred sixty-two million, seventy-six thousand, seventy-two".