1642269696 has 176 divisors, whose sum is σ = 4543357440. Its totient is φ = 527155200.

The previous prime is 1642269647. The next prime is 1642269743. The reversal of 1642269696 is 6969622461.

It is a happy number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16260046 + ... + 16260146.

Almost surely, 2^1642269696 is an apocalyptic number.

1642269696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642269696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271678720).

1642269696 is an abundant number, since it is smaller than the sum of its proper divisors (2901087744).

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

1642269696 is a wasteful number, since it uses less digits than its factorization.

1642269696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 252 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 1642269696 is about 40524.9268475589. The cubic root of 1642269696 is about 1179.8174801485.

The spelling of 1642269696 in words is "one billion, six hundred forty-two million, two hundred sixty-nine thousand, six hundred ninety-six".