1620370370373 has 8 divisors (see below), whose sum is σ = 2164100664000. Its totient is φ = 1078443495168.

The previous prime is 1620370370371. The next prime is 1620370370441. The reversal of 1620370370373 is 3730730730261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1620370370373 - 2¹ = 1620370370371 is a prime.

It is a super-3 number, since 3×1620370370373³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620370370371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450852508 + ... + 450856101.

It is an arithmetic number, because the mean of its divisors is an integer number (270512583000).

Almost surely, 2^{1620370370373} is an apocalyptic number.

It is an amenable number.

1620370370373 is a deficient number, since it is larger than the sum of its proper divisors (543730293627).

1620370370373 is an equidigital number, since it uses as much as digits as its factorization.

1620370370373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901709211.

The product of its (nonzero) digits is 333396, while the sum is 42.

The spelling of 1620370370373 in words is "one trillion, six hundred twenty billion, three hundred seventy million, three hundred seventy thousand, three hundred seventy-three".