1662089534 has 16 divisors (see below), whose sum is σ = 2852084736. Its totient is φ = 711627000.

The previous prime is 1662089519. The next prime is 1662089551. The reversal of 1662089534 is 4359802661.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43142 + ... + 72009.

It is an arithmetic number, because the mean of its divisors is an integer number (178255296).

Almost surely, 2^1662089534 is an apocalyptic number.

1662089534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1662089534 is a deficient number, since it is larger than the sum of its proper divisors (1189995202).

1662089534 is a wasteful number, since it uses less digits than its factorization.

1662089534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116191.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 1662089534 is about 40768.7323079833. The cubic root of 1662089534 is about 1184.5447482433.

The spelling of 1662089534 in words is "one billion, six hundred sixty-two million, eighty-nine thousand, five hundred thirty-four".