1542032666 has 16 divisors (see below), whose sum is σ = 2437680960. Its totient is φ = 729568800.

The previous prime is 1542032641. The next prime is 1542032693. The reversal of 1542032666 is 6662302451.

It is a happy number.

It is a super-2 number, since 2×1542032666² = 4755729486022135112, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8891 + ... + 56241.

It is an arithmetic number, because the mean of its divisors is an integer number (152355060).

Almost surely, 2^1542032666 is an apocalyptic number.

1542032666 is a deficient number, since it is larger than the sum of its proper divisors (895648294).

1542032666 is a wasteful number, since it uses less digits than its factorization.

1542032666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48229.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1542032666 is about 39268.7237633209. The cubic root of 1542032666 is about 1155.3082055754.

The spelling of 1542032666 in words is "one billion, five hundred forty-two million, thirty-two thousand, six hundred sixty-six".