80667019998144 has 672 divisors, whose sum is σ = 247614339667968. Its totient is φ = 25066589184000.

The previous prime is 80667019998109. The next prime is 80667019998179. The reversal of 80667019998144 is 44189991076608.

It is an interprime number because it is at equal distance from previous prime (80667019998109) and next prime (80667019998179).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46817770467 + ... + 46817772189.

It is an arithmetic number, because the mean of its divisors is an integer number (368473719744).

Almost surely, 2^{80667019998144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80667019998144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123807169833984).

80667019998144 is an abundant number, since it is smaller than the sum of its proper divisors (166947319669824).

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

80667019998144 is a wasteful number, since it uses less digits than its factorization.

80667019998144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 80667019998144 in words is "eighty trillion, six hundred sixty-seven billion, nineteen million, nine hundred ninety-eight thousand, one hundred forty-four".