1999962156096 has 140 divisors (see below), whose sum is σ = 6186276224832. Its totient is φ = 637669055232.

The previous prime is 1999962156089. The next prime is 1999962156097. The reversal of 1999962156096 is 6906512699991.

1999962156096 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 9 + 6 + 2 + 1 + 5 + 609 + 6 = 666.

It is a super-2 number, since 2×1999962156096² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (1999962156097) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8267620 + ... + 8506083.

Almost surely, 2^{1999962156096} is an apocalyptic number.

1999962156096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1999962156096 is an abundant number, since it is smaller than the sum of its proper divisors (4186314068736).

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

1999962156096 is a wasteful number, since it uses less digits than its factorization.

1999962156096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773750 (or 16773731 counting only the distinct ones).

The product of its (nonzero) digits is 127545840, while the sum is 72.

The spelling of 1999962156096 in words is "one trillion, nine hundred ninety-nine billion, nine hundred sixty-two million, one hundred fifty-six thousand, ninety-six".