30520362401660 has 12 divisors (see below), whose sum is σ = 64092761043528. Its totient is φ = 12208144960656.

The previous prime is 30520362401623. The next prime is 30520362401671. The reversal of 30520362401660 is 6610426302503.

It is a happy number.

It is a super-2 number, since 2×30520362401660² (a number of 28 digits) contains 22 as substring.

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, 763009060022 + ... + 763009060061.

It is an arithmetic number, because the mean of its divisors is an integer number (5341063420294).

Almost surely, 2^{30520362401660} is an apocalyptic number.

It is an amenable number.

30520362401660 is an abundant number, since it is smaller than the sum of its proper divisors (33572398641868).

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

30520362401660 is a wasteful number, since it uses less digits than its factorization.

30520362401660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526018120092 (or 1526018120090 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 30520362401660 in words is "thirty trillion, five hundred twenty billion, three hundred sixty-two million, four hundred one thousand, six hundred sixty".