1542196656 has 360 divisors, whose sum is σ = 5833840896. Its totient is φ = 369308160.

The previous prime is 1542196631. The next prime is 1542196661. The reversal of 1542196656 is 6566912451.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1873461 + ... + 1874283.

Almost surely, 2^1542196656 is an apocalyptic number.

1542196656 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 1542196656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916920448).

1542196656 is an abundant number, since it is smaller than the sum of its proper divisors (4291644240).

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

1542196656 is a wasteful number, since it uses less digits than its factorization.

1542196656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 859 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1542196656 is about 39270.8117563159. The cubic root of 1542196656 is about 1155.3491585074.

The spelling of 1542196656 in words is "one billion, five hundred forty-two million, one hundred ninety-six thousand, six hundred fifty-six".