4745161621620 has 72 divisors (see below), whose sum is σ = 16449893625984. Its totient is φ = 1084608370368.

The previous prime is 4745161621597. The next prime is 4745161621643. The reversal of 4745161621620 is 261261615474.

4745161621620 is a `hidden beast` number, since 4 + 7 + 4 + 5 + 1 + 6 + 16 + 2 + 1 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (4745161621597) and next prime (4745161621643).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1882999384 + ... + 1883001903.

Almost surely, 2^{4745161621620} is an apocalyptic number.

It is an amenable number.

4745161621620 is an abundant number, since it is smaller than the sum of its proper divisors (11704732004364).

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

4745161621620 is a wasteful number, since it uses less digits than its factorization.

4745161621620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766001309 (or 3766001304 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 4745161621620 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred twenty".