1662754434 has 64 divisors (see below), whose sum is σ = 3690385920. Its totient is φ = 495227520.

The previous prime is 1662754421. The next prime is 1662754439. The reversal of 1662754434 is 4344572661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1662754439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2249637 + ... + 2250375.

It is an arithmetic number, because the mean of its divisors is an integer number (57662280).

Almost surely, 2^1662754434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662754434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845192960).

1662754434 is an abundant number, since it is smaller than the sum of its proper divisors (2027631486).

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

1662754434 is a wasteful number, since it uses less digits than its factorization.

1662754434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 483840, while the sum is 42.

The square root of 1662754434 is about 40776.8860262772. The cubic root of 1662754434 is about 1184.7026817333.

The spelling of 1662754434 in words is "one billion, six hundred sixty-two million, seven hundred fifty-four thousand, four hundred thirty-four".