1620770411000 has 128 divisors (see below), whose sum is σ = 4090960036800. Its totient is φ = 597468556800.

The previous prime is 1620770410999. The next prime is 1620770411003. The reversal of 1620770411000 is 1140770261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620770411003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7946294 + ... + 8147706.

Almost surely, 2^{1620770411000} is an apocalyptic number.

1620770411000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1620770411000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045480018400).

1620770411000 is an abundant number, since it is smaller than the sum of its proper divisors (2470189625800).

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

1620770411000 is a wasteful number, since it uses less digits than its factorization.

1620770411000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202066 (or 202052 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The spelling of 1620770411000 in words is "one trillion, six hundred twenty billion, seven hundred seventy million, four hundred eleven thousand".