1613701270840 has 16 divisors (see below), whose sum is σ = 3630827859480. Its totient is φ = 645480508320.

The previous prime is 1613701270807. The next prime is 1613701270843. The reversal of 1613701270840 is 480721073161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 40342531771 = 1613701270840 / (1 + 6 + 1 + 3 + 7 + 0 + 1 + 2 + 7 + 0 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1613701270793 and 1613701270802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613701270843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20171265846 + ... + 20171265925.

Almost surely, 2^{1613701270840} is an apocalyptic number.

1613701270840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613701270840 is an abundant number, since it is smaller than the sum of its proper divisors (2017126588640).

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

1613701270840 is a wasteful number, since it uses less digits than its factorization.

1613701270840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40342531782 (or 40342531778 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 1613701270840 in words is "one trillion, six hundred thirteen billion, seven hundred one million, two hundred seventy thousand, eight hundred forty".