1662120532 has 36 divisors (see below), whose sum is σ = 3250486260. Its totient is φ = 740996352.

The previous prime is 1662120517. The next prime is 1662120547. The reversal of 1662120532 is 2350212661.

It is an interprime number because it is at equal distance from previous prime (1662120517) and next prime (1662120547).

It can be written as a sum of positive squares in 2 ways, for example, as 551498256 + 1110622276 = 23484^2 + 33326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1662120532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9307 + ... + 58402.

It is an arithmetic number, because the mean of its divisors is an integer number (90291285).

Almost surely, 2^1662120532 is an apocalyptic number.

It is an amenable number.

1662120532 is a deficient number, since it is larger than the sum of its proper divisors (1588365728).

1662120532 is a wasteful number, since it uses less digits than its factorization.

1662120532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67768 (or 67747 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1662120532 is about 40769.1124750098. The cubic root of 1662120532 is about 1184.5521121245.

The spelling of 1662120532 in words is "one billion, six hundred sixty-two million, one hundred twenty thousand, five hundred thirty-two".