1402161772608 has 448 divisors, whose sum is σ = 4544336352000. Its totient is φ = 427495864320.

The previous prime is 1402161772603. The next prime is 1402161772643. The reversal of 1402161772608 is 8062771612041.

1402161772608 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 1 + 617 + 7 + 26 + 0 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1402161772601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77113278 + ... + 77131458.

Almost surely, 2^{1402161772608} is an apocalyptic number.

1402161772608 is a gapful number since it is divisible by the number (18) 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 1402161772608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272168176000).

1402161772608 is an abundant number, since it is smaller than the sum of its proper divisors (3142174579392).

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

1402161772608 is an equidigital number, since it uses as much as digits as its factorization.

1402161772608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18262 (or 18234 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1402161772608 in words is "one trillion, four hundred two billion, one hundred sixty-one million, seven hundred seventy-two thousand, six hundred eight".