1607751220340 has 12 divisors (see below), whose sum is σ = 3376277562756. Its totient is φ = 643100488128.

The previous prime is 1607751220303. The next prime is 1607751220351. The reversal of 1607751220340 is 430221577061.

It can be written as a sum of positive squares in 2 ways, for example, as 807359755024 + 800391465316 = 898532^2 + 894646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1607751220294 and 1607751220303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40193780489 + ... + 40193780528.

It is an arithmetic number, because the mean of its divisors is an integer number (281356463563).

Almost surely, 2^{1607751220340} is an apocalyptic number.

1607751220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1607751220340 is an abundant number, since it is smaller than the sum of its proper divisors (1768526342416).

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

1607751220340 is a wasteful number, since it uses less digits than its factorization.

1607751220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80387561026 (or 80387561024 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 1607751220340 in words is "one trillion, six hundred seven billion, seven hundred fifty-one million, two hundred twenty thousand, three hundred forty".