171473077713840 has 160 divisors (see below), whose sum is σ = 609868450920960. Its totient is φ = 39041340997632.

The previous prime is 171473077713797. The next prime is 171473077713877. The reversal of 171473077713840 is 48317770374171.

It is a happy number.

It is a super-2 number, since 2×171473077713840² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198142770 + ... + 199006289.

It is an arithmetic number, because the mean of its divisors is an integer number (3811677818256).

Almost surely, 2^{171473077713840} is an apocalyptic number.

171473077713840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171473077713840 is an abundant number, since it is smaller than the sum of its proper divisors (438395373207120).

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

171473077713840 is a wasteful number, since it uses less digits than its factorization.

171473077713840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397149339 (or 397149333 counting only the distinct ones).

The product of its (nonzero) digits is 19361664, while the sum is 60.

The spelling of 171473077713840 in words is "one hundred seventy-one trillion, four hundred seventy-three billion, seventy-seven million, seven hundred thirteen thousand, eight hundred forty".