1620151416042 has 16 divisors (see below), whose sum is σ = 3240338146272. Its totient is φ = 540044586320.

The previous prime is 1620151416017. The next prime is 1620151416049. The reversal of 1620151416042 is 2406141510261.

It is a super-2 number, since 2×1620151416042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1620151415994 and 1620151416012.

It is not an unprimeable number, because it can be changed into a prime (1620151416049) 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, 855153 + ... + 1992884.

It is an arithmetic number, because the mean of its divisors is an integer number (202521134142).

Almost surely, 2^{1620151416042} is an apocalyptic number.

1620151416042 is an abundant number, since it is smaller than the sum of its proper divisors (1620186730230).

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

1620151416042 is a wasteful number, since it uses less digits than its factorization.

1620151416042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942853.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 1620151416042 in words is "one trillion, six hundred twenty billion, one hundred fifty-one million, four hundred sixteen thousand, forty-two".