1621014152 has 16 divisors (see below), whose sum is σ = 3056972940. Its totient is φ = 805821376.

The previous prime is 1621014139. The next prime is 1621014181. The reversal of 1621014152 is 2514101261.

It can be written as a sum of positive squares in 2 ways, for example, as 1086757156 + 534256996 = 32966^2 + 23114^2 .

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, 584243 + ... + 587010.

Almost surely, 2^1621014152 is an apocalyptic number.

It is an amenable number.

1621014152 is a deficient number, since it is larger than the sum of its proper divisors (1435958788).

1621014152 is a wasteful number, since it uses less digits than its factorization.

1621014152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171432 (or 1171428 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1621014152 is about 40261.8200284090. The cubic root of 1621014152 is about 1174.7053196745.

The spelling of 1621014152 in words is "one billion, six hundred twenty-one million, fourteen thousand, one hundred fifty-two".